25030131 has 24 divisors (see below), whose sum is σ = 39778704. Its totient is φ = 13950720.

The previous prime is 25030121. The next prime is 25030139. The reversal of 25030131 is 13103052.

It is a happy number.

It is not a de Polignac number, because 25030131 - 2⁵ = 25030099 is a prime.

It is a super-2 number, since 2×25030131² = 1253014915754322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25030131.

It is not an unprimeable number, because it can be changed into a prime (25030139) 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 in 23 ways as a sum of consecutive naturals, for example, 3951 + ... + 8103.

It is an arithmetic number, because the mean of its divisors is an integer number (1657446).

Almost surely, 2^25030131 is an apocalyptic number.

25030131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

25030131 is a deficient number, since it is larger than the sum of its proper divisors (14748573).

25030131 is a wasteful number, since it uses less digits than its factorization.

25030131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211 (or 4204 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 25030131 is about 5003.0121926695. The cubic root of 25030131 is about 292.5191980971.

Adding to 25030131 its reverse (13103052), we get a palindrome (38133183).

It can be divided in two parts, 250 and 30131, that added together give a triangular number (30381 = T₂₄₆).

The spelling of 25030131 in words is "twenty-five million, thirty thousand, one hundred thirty-one".