15052500 has 120 divisors (see below), whose sum is σ = 48984320. Its totient is φ = 3996000.

The previous prime is 15052489. The next prime is 15052507. The reversal of 15052500 is 525051.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15052507) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 67389 + ... + 67611.

Almost surely, 2^15052500 is an apocalyptic number.

15052500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15052500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24492160).

15052500 is an abundant number, since it is smaller than the sum of its proper divisors (33931820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15052500 is a wasteful number, since it uses less digits than its factorization.

15052500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 15052500 is about 3879.7551469133. The cubic root of 15052500 is about 246.9085971474.

Adding to 15052500 its reverse (525051), we get a palindrome (15577551).

It can be divided in two parts, 1505 and 2500, that added together give a triangular number (4005 = T₈₉).

The spelling of 15052500 in words is "fifteen million, fifty-two thousand, five hundred".