25038145 has 16 divisors (see below), whose sum is σ = 34204032. Its totient is φ = 17416960.

The previous prime is 25038137. The next prime is 25038151. The reversal of 25038145 is 54183052.

25038145 = 855² + 856² + ... + 887².

It is not a de Polignac number, because 25038145 - 2³ = 25038137 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8632 + ... + 11161.

It is an arithmetic number, because the mean of its divisors is an integer number (2137752).

Almost surely, 2^25038145 is an apocalyptic number.

It is an amenable number.

25038145 is a deficient number, since it is larger than the sum of its proper divisors (9165887).

25038145 is a wasteful number, since it uses less digits than its factorization.

25038145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19832.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 25038145 is about 5003.8130460680. The cubic root of 25038145 is about 292.5504137908.

It can be divided in two parts, 2503 and 8145, that added together give a cube (10648 = 22³).

The spelling of 25038145 in words is "twenty-five million, thirty-eight thousand, one hundred forty-five".