25063131 has 16 divisors (see below), whose sum is σ = 34227968. Its totient is φ = 16308000.

The previous prime is 25063127. The next prime is 25063153. The reversal of 25063131 is 13136052.

It is not a de Polignac number, because 25063131 - 2² = 25063127 is a prime.

It is a super-2 number, since 2×25063131² = 1256321071046322, 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 = 25063098 and 25063107.

It is not an unprimeable number, because it can be changed into a prime (25063121) 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, 27180 + ... + 28086.

It is an arithmetic number, because the mean of its divisors is an integer number (2139248).

Almost surely, 2^25063131 is an apocalyptic number.

25063131 is a deficient number, since it is larger than the sum of its proper divisors (9164837).

25063131 is a wasteful number, since it uses less digits than its factorization.

25063131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 25063131 is about 5006.3091195011. The cubic root of 25063131 is about 292.6476951523.

Adding to 25063131 its reverse (13136052), we get a palindrome (38199183).

The spelling of 25063131 in words is "twenty-five million, sixty-three thousand, one hundred thirty-one".