650576745 has 64 divisors (see below), whose sum is σ = 1423511040. Its totient is φ = 274523904.

The previous prime is 650576743. The next prime is 650576747. The reversal of 650576745 is 547675056.

650576745 is a `hidden beast` number, since 6 + 5 + 0 + 576 + 74 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (650576743) and next prime (650576747).

It is not a de Polignac number, because 650576745 - 2¹ = 650576743 is a prime.

It is a super-2 number, since 2×650576745² = 846500202269590050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 650576745.

It is not an unprimeable number, because it can be changed into a prime (650576741) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14194 + ... + 38763.

It is an arithmetic number, because the mean of its divisors is an integer number (22242360).

Almost surely, 2^650576745 is an apocalyptic number.

650576745 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

650576745 is an abundant number, since it is smaller than the sum of its proper divisors (772934295).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

650576745 is a wasteful number, since it uses less digits than its factorization.

650576745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52991 (or 52985 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 45.

The square root of 650576745 is about 25506.4059600721. The cubic root of 650576745 is about 866.4952342542.

The spelling of 650576745 in words is "six hundred fifty million, five hundred seventy-six thousand, seven hundred forty-five".