25237231 has 8 divisors (see below), whose sum is σ = 26799120. Its totient is φ = 23683968.

The previous prime is 25237213. The next prime is 25237241. The reversal of 25237231 is 13273252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25237231 - 2¹¹ = 25235183 is a prime.

It is a super-2 number, since 2×25237231² = 1273835657094722, 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 = 25237196 and 25237205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25237211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4485 + ... + 8401.

It is an arithmetic number, because the mean of its divisors is an integer number (3349890).

Almost surely, 2^25237231 is an apocalyptic number.

25237231 is a deficient number, since it is larger than the sum of its proper divisors (1561889).

25237231 is a wasteful number, since it uses less digits than its factorization.

25237231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4313.

The product of its digits is 2520, while the sum is 25.

The square root of 25237231 is about 5023.6670868998. The cubic root of 25237231 is about 293.3237538481.

The spelling of 25237231 in words is "twenty-five million, two hundred thirty-seven thousand, two hundred thirty-one".