25231302 has 12 divisors (see below), whose sum is σ = 54667860. Its totient is φ = 8410428.

The previous prime is 25231301. The next prime is 25231307. The reversal of 25231302 is 20313252.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1401739 = 25231302 / (2 + 5 + 2 + 3 + 1 + 3 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25231301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 700852 + ... + 700887.

It is an arithmetic number, because the mean of its divisors is an integer number (4555655).

Almost surely, 2^25231302 is an apocalyptic number.

25231302 is an abundant number, since it is smaller than the sum of its proper divisors (29436558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25231302 is a wasteful number, since it uses less digits than its factorization.

25231302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401747 (or 1401744 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 25231302 is about 5023.0769454588. The cubic root of 25231302 is about 293.3007817988.

Adding to 25231302 its reverse (20313252), we get a palindrome (45544554).

The spelling of 25231302 in words is "twenty-five million, two hundred thirty-one thousand, three hundred two".