25020488 has 8 divisors (see below), whose sum is σ = 46913430. Its totient is φ = 12510240.

The previous prime is 25020487. The next prime is 25020491. The reversal of 25020488 is 88402052.

It can be written as a sum of positive squares in only one way, i.e., 25020004 + 484 = 5002^2 + 22^2 .

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 25020488.

It is not an unprimeable number, because it can be changed into a prime (25020487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1563773 + ... + 1563788.

Almost surely, 2^25020488 is an apocalyptic number.

It is an amenable number.

25020488 is a deficient number, since it is larger than the sum of its proper divisors (21892942).

25020488 is a wasteful number, since it uses less digits than its factorization.

25020488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127567 (or 3127563 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 25020488 is about 5002.0483804138. The cubic root of 25020488 is about 292.4816283783.

The spelling of 25020488 in words is "twenty-five million, twenty thousand, four hundred eighty-eight".