45257535497 has 2 divisors, whose sum is σ = 45257535498. Its totient is φ = 45257535496.

The previous prime is 45257535457. The next prime is 45257535503. The reversal of 45257535497 is 79453575254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39515078656 + 5742456841 = 198784^2 + 75779^2 .

It is a cyclic number.

It is not a de Polignac number, because 45257535497 - 2¹⁴ = 45257519113 is a prime.

It is not a weakly prime, because it can be changed into another prime (45257535437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22628767748 + 22628767749.

It is an arithmetic number, because the mean of its divisors is an integer number (22628767749).

Almost surely, 2^45257535497 is an apocalyptic number.

It is an amenable number.

45257535497 is a deficient number, since it is larger than the sum of its proper divisors (1).

45257535497 is an equidigital number, since it uses as much as digits as its factorization.

45257535497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460000, while the sum is 56.

The spelling of 45257535497 in words is "forty-five billion, two hundred fifty-seven million, five hundred thirty-five thousand, four hundred ninety-seven".