25021652 has 12 divisors (see below), whose sum is σ = 43825236. Its totient is φ = 12500160.

The previous prime is 25021643. The next prime is 25021673. The reversal of 25021652 is 25612052.

It can be written as a sum of positive squares in 2 ways, for example, as 2421136 + 22600516 = 1556^2 + 4754^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5168 + ... + 8760.

It is an arithmetic number, because the mean of its divisors is an integer number (3652103).

Almost surely, 2^25021652 is an apocalyptic number.

It is an amenable number.

25021652 is a deficient number, since it is larger than the sum of its proper divisors (18803584).

25021652 is a wasteful number, since it uses less digits than its factorization.

25021652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5338 (or 5336 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 25021652 is about 5002.1647313938. The cubic root of 25021652 is about 292.4861639059.

The spelling of 25021652 in words is "twenty-five million, twenty-one thousand, six hundred fifty-two".