625381875133 has 2 divisors, whose sum is σ = 625381875134. Its totient is φ = 625381875132.

The previous prime is 625381875071. The next prime is 625381875137. The reversal of 625381875133 is 331578183526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 594104891524 + 31276983609 = 770782^2 + 176853^2 .

It is a cyclic number.

It is not a de Polignac number, because 625381875133 - 2²⁹ = 624845004221 is a prime.

It is a super-2 number, since 2×625381875133² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625381875137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312690937566 + 312690937567.

It is an arithmetic number, because the mean of its divisors is an integer number (312690937567).

Almost surely, 2^625381875133 is an apocalyptic number.

It is an amenable number.

625381875133 is a deficient number, since it is larger than the sum of its proper divisors (1).

625381875133 is an equidigital number, since it uses as much as digits as its factorization.

625381875133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 52.

The spelling of 625381875133 in words is "six hundred twenty-five billion, three hundred eighty-one million, eight hundred seventy-five thousand, one hundred thirty-three".