3251557257451 has 2 divisors, whose sum is σ = 3251557257452. Its totient is φ = 3251557257450.

The previous prime is 3251557257437. The next prime is 3251557257491. The reversal of 3251557257451 is 1547527551523.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3251557257451 - 2⁵ = 3251557257419 is a prime.

It is not a weakly prime, because it can be changed into another prime (3251557257491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1625778628725 + 1625778628726.

It is an arithmetic number, because the mean of its divisors is an integer number (1625778628726).

Almost surely, 2^{3251557257451} is an apocalyptic number.

3251557257451 is a deficient number, since it is larger than the sum of its proper divisors (1).

3251557257451 is an equidigital number, since it uses as much as digits as its factorization.

3251557257451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7350000, while the sum is 52.

The spelling of 3251557257451 in words is "three trillion, two hundred fifty-one billion, five hundred fifty-seven million, two hundred fifty-seven thousand, four hundred fifty-one".