15244995 has 16 divisors (see below), whose sum is σ = 24440832. Its totient is φ = 8114400.

The previous prime is 15244991. The next prime is 15244997. The reversal of 15244995 is 59944251.

It is not a de Polignac number, because 15244995 - 2² = 15244991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15244991) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12670 + ... + 13820.

It is an arithmetic number, because the mean of its divisors is an integer number (1527552).

Almost surely, 2^15244995 is an apocalyptic number.

15244995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15244995 is a deficient number, since it is larger than the sum of its proper divisors (9195837).

15244995 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (15244994) it forms an eRAP, since the sums of their prime factors are consecutive (2041 and 2042).

15244995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042.

The product of its digits is 64800, while the sum is 39.

The square root of 15244995 is about 3904.4839607815. The cubic root of 15244995 is about 247.9566510688.

The spelling of 15244995 in words is "fifteen million, two hundred forty-four thousand, nine hundred ninety-five".