15249002 has 8 divisors (see below), whose sum is σ = 22894212. Its totient is φ = 7617600.

The previous prime is 15248929. The next prime is 15249019. The reversal of 15249002 is 20094251.

It can be written as a sum of positive squares in 2 ways, for example, as 14969161 + 279841 = 3869^2 + 529^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2 + ... + 5522.

Almost surely, 2^15249002 is an apocalyptic number.

15249002 is a deficient number, since it is larger than the sum of its proper divisors (7645210).

15249002 is a wasteful number, since it uses less digits than its factorization.

15249002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6904.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 15249002 is about 3904.9970550565. The cubic root of 15249002 is about 247.9783735044.

Adding to 15249002 its sum of digits (23), we get a square (15249025 = 3905²).

The spelling of 15249002 in words is "fifteen million, two hundred forty-nine thousand, two".