25472131 has 4 divisors (see below), whose sum is σ = 25593064. Its totient is φ = 25351200.

The previous prime is 25472087. The next prime is 25472147. The reversal of 25472131 is 13127452.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25472131 - 2¹⁹ = 24947843 is a prime.

It is a super-2 number, since 2×25472131² = 1297658915362322, 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 = 25472096 and 25472105.

It is not an unprimeable number, because it can be changed into a prime (25472231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60150 + ... + 60571.

It is an arithmetic number, because the mean of its divisors is an integer number (6398266).

Almost surely, 2^25472131 is an apocalyptic number.

25472131 is a deficient number, since it is larger than the sum of its proper divisors (120933).

25472131 is a wasteful number, since it uses less digits than its factorization.

25472131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120932.

The product of its digits is 1680, while the sum is 25.

The square root of 25472131 is about 5046.9922726313. The cubic root of 25472131 is about 294.2309991347.

Adding to 25472131 its reverse (13127452), we get a palindrome (38599583).

The spelling of 25472131 in words is "twenty-five million, four hundred seventy-two thousand, one hundred thirty-one".