25155039 has 16 divisors (see below), whose sum is σ = 41280512. Its totient is φ = 13268448.

The previous prime is 25155037. The next prime is 25155061. The reversal of 25155039 is 93055152.

It is not a de Polignac number, because 25155039 - 2¹ = 25155037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25154997 and 25155015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25155037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45799 + ... + 46344.

It is an arithmetic number, because the mean of its divisors is an integer number (2580032).

Almost surely, 2^25155039 is an apocalyptic number.

25155039 is a deficient number, since it is larger than the sum of its proper divisors (16125473).

25155039 is a wasteful number, since it uses less digits than its factorization.

25155039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92166.

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 25155039 is about 5015.4799371546. The cubic root of 25155039 is about 293.0049776477.

The spelling of 25155039 in words is "twenty-five million, one hundred fifty-five thousand, thirty-nine".