15917053 has 4 divisors (see below), whose sum is σ = 15956380. Its totient is φ = 15877728.

The previous prime is 15917047. The next prime is 15917059. The reversal of 15917053 is 35071951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35071951 = 269 ⋅130379.

It is an interprime number because it is at equal distance from previous prime (15917047) and next prime (15917059).

It can be written as a sum of positive squares in 2 ways, for example, as 8282884 + 7634169 = 2878^2 + 2763^2 .

It is a cyclic number.

It is not a de Polignac number, because 15917053 - 2⁹ = 15916541 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 (15917059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19050 + ... + 19867.

It is an arithmetic number, because the mean of its divisors is an integer number (3989095).

Almost surely, 2^15917053 is an apocalyptic number.

It is an amenable number.

15917053 is a deficient number, since it is larger than the sum of its proper divisors (39327).

15917053 is an equidigital number, since it uses as much as digits as its factorization.

15917053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39326.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 15917053 is about 3989.6181521544. The cubic root of 15917053 is about 251.5480108651.

The spelling of 15917053 in words is "fifteen million, nine hundred seventeen thousand, fifty-three".