25026231 has 16 divisors (see below), whose sum is σ = 35564544. Its totient is φ = 15617184.

The previous prime is 25026191. The next prime is 25026247. The reversal of 25026231 is 13262052.

It is not a de Polignac number, because 25026231 - 2⁷ = 25026103 is a prime.

It is a super-2 number, since 2×25026231² = 1252624476130722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25026198 and 25026207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25026251) 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 15 ways as a sum of consecutive naturals, for example, 616 + ... + 7101.

It is an arithmetic number, because the mean of its divisors is an integer number (2222784).

Almost surely, 2^25026231 is an apocalyptic number.

25026231 is a deficient number, since it is larger than the sum of its proper divisors (10538313).

25026231 is a wasteful number, since it uses less digits than its factorization.

25026231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7790.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 25026231 is about 5002.6224122954. The cubic root of 25026231 is about 292.5040046205.

Adding to 25026231 its reverse (13262052), we get a palindrome (38288283).

The spelling of 25026231 in words is "twenty-five million, twenty-six thousand, two hundred thirty-one".