25022401031 has 16 divisors (see below), whose sum is σ = 26704987200. Its totient is φ = 23363450880.

The previous prime is 25022401003. The next prime is 25022401039. The reversal of 25022401031 is 13010422052.

It is not a de Polignac number, because 25022401031 - 2¹⁸ = 25022138887 is a prime.

It is a super-2 number, since 2×25022401031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25022400994 and 25022401012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25022401039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5379995 + ... + 5384643.

It is an arithmetic number, because the mean of its divisors is an integer number (1669061700).

Almost surely, 2^25022401031 is an apocalyptic number.

25022401031 is a deficient number, since it is larger than the sum of its proper divisors (1682586169).

25022401031 is a wasteful number, since it uses less digits than its factorization.

25022401031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7114.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 25022401031 its reverse (13010422052), we get a palindrome (38032823083).

The spelling of 25022401031 in words is "twenty-five billion, twenty-two million, four hundred one thousand, thirty-one".