35725082521 has 2 divisors, whose sum is σ = 35725082522. Its totient is φ = 35725082520.

The previous prime is 35725082501. The next prime is 35725082579. The reversal of 35725082521 is 12528052753.

35725082521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30506464921 + 5218617600 = 174661^2 + 72240^2 .

It is a cyclic number.

It is not a de Polignac number, because 35725082521 - 2⁵ = 35725082489 is a prime.

It is a super-2 number, since 2×35725082521² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (35725082501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17862541260 + 17862541261.

It is an arithmetic number, because the mean of its divisors is an integer number (17862541261).

Almost surely, 2^35725082521 is an apocalyptic number.

It is an amenable number.

35725082521 is a deficient number, since it is larger than the sum of its proper divisors (1).

35725082521 is an equidigital number, since it uses as much as digits as its factorization.

35725082521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 35725082521 in words is "thirty-five billion, seven hundred twenty-five million, eighty-two thousand, five hundred twenty-one".