15052525 has 12 divisors (see below), whose sum is σ = 19170772. Its totient is φ = 11715840.

The previous prime is 15052507. The next prime is 15052547. The reversal of 15052525 is 52525051.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2114116 + 12938409 = 1454^2 + 3597^2 .

It is not a de Polignac number, because 15052525 - 2⁷ = 15052397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15052525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7212 + ... + 9061.

Almost surely, 2^15052525 is an apocalyptic number.

It is an amenable number.

15052525 is a deficient number, since it is larger than the sum of its proper divisors (4118247).

15052525 is a wasteful number, since it uses less digits than its factorization.

15052525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16320 (or 16315 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 15052525 is about 3879.7583687647. The cubic root of 15052525 is about 246.9087338403.

Adding to 15052525 its reverse (52525051), we get a palindrome (67577576).

It can be divided in two parts, 15052 and 525, that multiplied together give a triangular number (7902300 = T₃₉₇₅).

The spelling of 15052525 in words is "fifteen million, fifty-two thousand, five hundred twenty-five".