15425049 has 8 divisors (see below), whose sum is σ = 20643712. Its totient is φ = 10244880.

The previous prime is 15425029. The next prime is 15425057. The reversal of 15425049 is 94052451.

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

It is not a de Polignac number, because 15425049 - 2⁸ = 15424793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15425029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8674 + ... + 10299.

It is an arithmetic number, because the mean of its divisors is an integer number (2580464).

Almost surely, 2^15425049 is an apocalyptic number.

It is an amenable number.

15425049 is a deficient number, since it is larger than the sum of its proper divisors (5218663).

15425049 is a wasteful number, since it uses less digits than its factorization.

15425049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19247.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 15425049 is about 3927.4736154429. The cubic root of 15425049 is about 248.9290131671.

The spelling of 15425049 in words is "fifteen million, four hundred twenty-five thousand, forty-nine".