25024231 has 4 divisors (see below), whose sum is σ = 25050672. Its totient is φ = 24997792.

The previous prime is 25024229. The next prime is 25024243. The reversal of 25024231 is 13242052.

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 25024231 - 2¹ = 25024229 is a prime.

It is a super-2 number, since 2×25024231² = 1252424274282722, 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 = 25024199 and 25024208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25024261) 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, 11746 + ... + 13711.

It is an arithmetic number, because the mean of its divisors is an integer number (6262668).

Almost surely, 2^25024231 is an apocalyptic number.

25024231 is a deficient number, since it is larger than the sum of its proper divisors (26441).

25024231 is an equidigital number, since it uses as much as digits as its factorization.

25024231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26440.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 25024231 is about 5002.4225131430. The cubic root of 25024231 is about 292.4962124817.

Adding to 25024231 its reverse (13242052), we get a palindrome (38266283).

The spelling of 25024231 in words is "twenty-five million, twenty-four thousand, two hundred thirty-one".