625125441031 has 32 divisors (see below), whose sum is σ = 774129702528. Its totient is φ = 491562639360.

The previous prime is 625125441029. The next prime is 625125441043. The reversal of 625125441031 is 130144521526.

It is not a de Polignac number, because 625125441031 - 2¹ = 625125441029 is a prime.

It is a super-2 number, since 2×625125441031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625125445031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11443575 + ... + 11498071.

It is an arithmetic number, because the mean of its divisors is an integer number (24191553204).

Almost surely, 2^625125441031 is an apocalyptic number.

625125441031 is a deficient number, since it is larger than the sum of its proper divisors (149004261497).

625125441031 is a wasteful number, since it uses less digits than its factorization.

625125441031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55291.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 625125441031 its reverse (130144521526), we get a palindrome (755269962557).

The spelling of 625125441031 in words is "six hundred twenty-five billion, one hundred twenty-five million, four hundred forty-one thousand, thirty-one".