25617052 has 6 divisors (see below), whose sum is σ = 44829848. Its totient is φ = 12808524.

The previous prime is 25617041. The next prime is 25617103. The reversal of 25617052 is 25071652.

It is a self number, because there is not a number n which added to its sum of digits gives 25617052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3202128 + ... + 3202135.

Almost surely, 2^25617052 is an apocalyptic number.

It is an amenable number.

25617052 is a deficient number, since it is larger than the sum of its proper divisors (19212796).

25617052 is a wasteful number, since it uses less digits than its factorization.

25617052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6404267 (or 6404265 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 25617052 is about 5061.3290744626. The cubic root of 25617052 is about 294.7879429769.

The spelling of 25617052 in words is "twenty-five million, six hundred seventeen thousand, fifty-two".