45525075731 has 2 divisors, whose sum is σ = 45525075732. Its totient is φ = 45525075730.

The previous prime is 45525075697. The next prime is 45525075763. The reversal of 45525075731 is 13757052554.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45525075731 is a prime.

It is a super-2 number, since 2×45525075731² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (45525072731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22762537865 + 22762537866.

It is an arithmetic number, because the mean of its divisors is an integer number (22762537866).

Almost surely, 2^45525075731 is an apocalyptic number.

45525075731 is a deficient number, since it is larger than the sum of its proper divisors (1).

45525075731 is an equidigital number, since it uses as much as digits as its factorization.

45525075731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 735000, while the sum is 44.

The spelling of 45525075731 in words is "forty-five billion, five hundred twenty-five million, seventy-five thousand, seven hundred thirty-one".