15052487 has 4 divisors (see below), whose sum is σ = 15105960. Its totient is φ = 14999016.

The previous prime is 15052469. The next prime is 15052489. The reversal of 15052487 is 78425051.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15052487 - 2⁸ = 15052231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15052489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26312 + ... + 26877.

It is an arithmetic number, because the mean of its divisors is an integer number (3776490).

Almost surely, 2^15052487 is an apocalyptic number.

15052487 is a deficient number, since it is larger than the sum of its proper divisors (53473).

15052487 is an equidigital number, since it uses as much as digits as its factorization.

15052487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53472.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 15052487 is about 3879.7534715494. The cubic root of 15052487 is about 246.9085260670.

The spelling of 15052487 in words is "fifteen million, fifty-two thousand, four hundred eighty-seven".