16313397 has 4 divisors (see below), whose sum is σ = 21751200. Its totient is φ = 10875596.

The previous prime is 16313393. The next prime is 16313447. The reversal of 16313397 is 79331361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16313397 - 2² = 16313393 is a prime.

It is a super-2 number, since 2×16313397² = 532253843359218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16313393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2718897 + ... + 2718902.

It is an arithmetic number, because the mean of its divisors is an integer number (5437800).

Almost surely, 2^16313397 is an apocalyptic number.

It is an amenable number.

16313397 is a deficient number, since it is larger than the sum of its proper divisors (5437803).

16313397 is an equidigital number, since it uses as much as digits as its factorization.

16313397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5437802.

The product of its digits is 10206, while the sum is 33.

The square root of 16313397 is about 4038.9846496366. The cubic root of 16313397 is about 253.6188146354.

The spelling of 16313397 in words is "sixteen million, three hundred thirteen thousand, three hundred ninety-seven".