25231701 has 16 divisors (see below), whose sum is σ = 36975168. Its totient is φ = 15177600.

The previous prime is 25231691. The next prime is 25231721. The reversal of 25231701 is 10713252.

It is not a de Polignac number, because 25231701 - 2⁶ = 25231637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25231721) 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, 1731 + ... + 7311.

It is an arithmetic number, because the mean of its divisors is an integer number (2310948).

Almost surely, 2^25231701 is an apocalyptic number.

It is an amenable number.

25231701 is a deficient number, since it is larger than the sum of its proper divisors (11743467).

25231701 is a wasteful number, since it uses less digits than its factorization.

25231701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5732.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 25231701 is about 5023.1166619938. The cubic root of 25231701 is about 293.3023278466.

Adding to 25231701 its reverse (10713252), we get a palindrome (35944953).

It can be divided in two parts, 2523 and 1701, that added together give a palindrome (4224).

The spelling of 25231701 in words is "twenty-five million, two hundred thirty-one thousand, seven hundred one".