650455541 has 4 divisors (see below), whose sum is σ = 650529132. Its totient is φ = 650381952.

The previous prime is 650455517. The next prime is 650455583. The reversal of 650455541 is 145554056.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 86583025 + 563872516 = 9305^2 + 23746^2 .

It is a cyclic number.

It is not a de Polignac number, because 650455541 - 2²² = 646261237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650455511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21386 + ... + 41931.

It is an arithmetic number, because the mean of its divisors is an integer number (162632283).

Almost surely, 2^650455541 is an apocalyptic number.

It is an amenable number.

650455541 is a deficient number, since it is larger than the sum of its proper divisors (73591).

650455541 is a wasteful number, since it uses less digits than its factorization.

650455541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73590.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 650455541 is about 25504.0298972535. The cubic root of 650455541 is about 866.4414208689.

The spelling of 650455541 in words is "six hundred fifty million, four hundred fifty-five thousand, five hundred forty-one".