25505048 has 8 divisors (see below), whose sum is σ = 47821980. Its totient is φ = 12752520.

The previous prime is 25505041. The next prime is 25505057. The reversal of 25505048 is 84050552.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25505048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25505041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1594058 + ... + 1594073.

Almost surely, 2^25505048 is an apocalyptic number.

It is an amenable number.

25505048 is a deficient number, since it is larger than the sum of its proper divisors (22316932).

25505048 is a wasteful number, since it uses less digits than its factorization.

25505048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3188137 (or 3188133 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 25505048 is about 5050.2522709267. The cubic root of 25505048 is about 294.3576870407.

The spelling of 25505048 in words is "twenty-five million, five hundred five thousand, forty-eight".