25251332 has 12 divisors (see below), whose sum is σ = 46111296. Its totient is φ = 12076680.

The previous prime is 25251301. The next prime is 25251337. The reversal of 25251332 is 23315252.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 25251298 and 25251307.

It is not an unprimeable number, because it can be changed into a prime (25251337) 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, 137144 + ... + 137327.

It is an arithmetic number, because the mean of its divisors is an integer number (3842608).

Almost surely, 2^25251332 is an apocalyptic number.

It is an amenable number.

25251332 is a deficient number, since it is larger than the sum of its proper divisors (20859964).

25251332 is a wasteful number, since it uses less digits than its factorization.

25251332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274498 (or 274496 counting only the distinct ones).

The product of its digits is 1800, while the sum is 23.

The square root of 25251332 is about 5025.0703477663. The cubic root of 25251332 is about 293.3783740525.

Adding to 25251332 its reverse (23315252), we get a palindrome (48566584).

The spelling of 25251332 in words is "twenty-five million, two hundred fifty-one thousand, three hundred thirty-two".