25514648 has 8 divisors (see below), whose sum is σ = 47839980. Its totient is φ = 12757320.

The previous prime is 25514639. The next prime is 25514683. The reversal of 25514648 is 84641552.

It is a tau number, because it is divible by the number of its divisors (8).

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, 1594658 + ... + 1594673.

Almost surely, 2^25514648 is an apocalyptic number.

It is an amenable number.

25514648 is a deficient number, since it is larger than the sum of its proper divisors (22325332).

25514648 is a wasteful number, since it uses less digits than its factorization.

25514648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189337 (or 3189333 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The square root of 25514648 is about 5051.2026290776. The cubic root of 25514648 is about 294.3946141008.

It can be divided in two parts, 25514 and 648, that added together give a palindrome (26162).

The spelling of 25514648 in words is "twenty-five million, five hundred fourteen thousand, six hundred forty-eight".