1650253545 has 12 divisors (see below), whose sum is σ = 2860439556. Its totient is φ = 880135200.

The previous prime is 1650253487. The next prime is 1650253547. The reversal of 1650253545 is 5453520561.

1650253545 is a `hidden beast` number, since 1 + 65 + 0 + 2 + 53 + 545 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 808151184 + 842102361 = 28428^2 + 29019^2 .

It is not a de Polignac number, because 1650253545 - 2¹⁰ = 1650252521 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1650253547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18336106 + ... + 18336195.

It is an arithmetic number, because the mean of its divisors is an integer number (238369963).

Almost surely, 2^1650253545 is an apocalyptic number.

1650253545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1650253545 is a deficient number, since it is larger than the sum of its proper divisors (1210186011).

1650253545 is a wasteful number, since it uses less digits than its factorization.

1650253545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36672312 (or 36672309 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 1650253545 is about 40623.3128265039. The cubic root of 1650253545 is about 1181.7262737196.

The spelling of 1650253545 in words is "one billion, six hundred fifty million, two hundred fifty-three thousand, five hundred forty-five".