25213072 has 10 divisors (see below), whose sum is σ = 48850358. Its totient is φ = 12606528.

The previous prime is 25213063. The next prime is 25213079. The reversal of 25213072 is 27031252.

It can be written as a sum of positive squares in only one way, i.e., 25040016 + 173056 = 5004^2 + 416^2 .

It is not an unprimeable number, because it can be changed into a prime (25213079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 787893 + ... + 787924.

Almost surely, 2^25213072 is an apocalyptic number.

It is an amenable number.

25213072 is a deficient number, since it is larger than the sum of its proper divisors (23637286).

25213072 is a wasteful number, since it uses less digits than its factorization.

25213072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575825 (or 1575819 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 25213072 is about 5021.2619927664. The cubic root of 25213072 is about 293.2301266855.

The spelling of 25213072 in words is "twenty-five million, two hundred thirteen thousand, seventy-two".