25032031 has 2 divisors, whose sum is σ = 25032032. Its totient is φ = 25032030.

The previous prime is 25031983. The next prime is 25032037. The reversal of 25032031 is 13023052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25032031 - 2⁹ = 25031519 is a prime.

It is a super-2 number, since 2×25032031² = 1253205151969922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25031996 and 25032014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25032037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12516015 + 12516016.

It is an arithmetic number, because the mean of its divisors is an integer number (12516016).

Almost surely, 2^25032031 is an apocalyptic number.

25032031 is the 2238-th centered decagonal number.

25032031 is a deficient number, since it is larger than the sum of its proper divisors (1).

25032031 is an equidigital number, since it uses as much as digits as its factorization.

25032031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 25032031 is about 5003.2020746718. The cubic root of 25032031 is about 292.5265994755.

Adding to 25032031 its reverse (13023052), we get a palindrome (38055083).

The spelling of 25032031 in words is "twenty-five million, thirty-two thousand, thirty-one".