45257535397 has 2 divisors, whose sum is σ = 45257535398. Its totient is φ = 45257535396.

The previous prime is 45257535383. The next prime is 45257535403. The reversal of 45257535397 is 79353575254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43417640161 + 1839895236 = 208369^2 + 42894^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45257535397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45257535497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22628767698 + 22628767699.

It is an arithmetic number, because the mean of its divisors is an integer number (22628767699).

Almost surely, 2^45257535397 is an apocalyptic number.

It is an amenable number.

45257535397 is a deficient number, since it is larger than the sum of its proper divisors (1).

45257535397 is an equidigital number, since it uses as much as digits as its factorization.

45257535397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19845000, while the sum is 55.

The spelling of 45257535397 in words is "forty-five billion, two hundred fifty-seven million, five hundred thirty-five thousand, three hundred ninety-seven".