14975521 has 16 divisors (see below), whose sum is σ = 17635968. Its totient is φ = 12563200.

The previous prime is 14975509. The next prime is 14975549. The reversal of 14975521 is 12557941.

It is a cyclic number.

It is not a de Polignac number, because 14975521 - 2⁷ = 14975393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14975581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9156 + ... + 10666.

It is an arithmetic number, because the mean of its divisors is an integer number (1102248).

Almost surely, 2^14975521 is an apocalyptic number.

14975521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14975521 is a deficient number, since it is larger than the sum of its proper divisors (2660447).

14975521 is a wasteful number, since it uses less digits than its factorization.

14975521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592.

The product of its digits is 12600, while the sum is 34.

The square root of 14975521 is about 3869.8218305240. The cubic root of 14975521 is about 246.4869779323.

The spelling of 14975521 in words is "fourteen million, nine hundred seventy-five thousand, five hundred twenty-one".