25952031 has 12 divisors (see below), whose sum is σ = 42841552. Its totient is φ = 14829696.

The previous prime is 25952021. The next prime is 25952039. The reversal of 25952031 is 13025952.

It is not a de Polignac number, because 25952031 - 2⁵ = 25951999 is a prime.

It is a super-2 number, since 2×25952031² = 1347015826049922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25951986 and 25952004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25952039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205906 + ... + 206031.

Almost surely, 2^25952031 is an apocalyptic number.

25952031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

25952031 is a deficient number, since it is larger than the sum of its proper divisors (16889521).

25952031 is a wasteful number, since it uses less digits than its factorization.

25952031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411950 (or 411947 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 25952031 is about 5094.3135945876. The cubic root of 25952031 is about 296.0673049713.

Adding to 25952031 its reverse (13025952), we get a palindrome (38977983).

The spelling of 25952031 in words is "twenty-five million, nine hundred fifty-two thousand, thirty-one".