35451031225021 has 2 divisors, whose sum is σ = 35451031225022. Its totient is φ = 35451031225020.

The previous prime is 35451031224991. The next prime is 35451031225037. The reversal of 35451031225021 is 12052213015453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22973280372025 + 12477750852996 = 4793045^2 + 3532386^2 .

It is a cyclic number.

It is not a de Polignac number, because 35451031225021 - 2¹⁹ = 35451030700733 is a prime.

It is a super-2 number, since 2×35451031225021² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35451031225061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17725515612510 + 17725515612511.

It is an arithmetic number, because the mean of its divisors is an integer number (17725515612511).

Almost surely, 2^{35451031225021} is an apocalyptic number.

It is an amenable number.

35451031225021 is a deficient number, since it is larger than the sum of its proper divisors (1).

35451031225021 is an equidigital number, since it uses as much as digits as its factorization.

35451031225021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 35451031225021 in words is "thirty-five trillion, four hundred fifty-one billion, thirty-one million, two hundred twenty-five thousand, twenty-one".