247316401 has 4 divisors (see below), whose sum is σ = 258069312. Its totient is φ = 236563492.

The previous prime is 247316383. The next prime is 247316411. The reversal of 247316401 is 104613742.

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 247316401 - 2¹⁵ = 247283633 is a prime.

It is a super-2 number, since 2×247316401² = 122330804407185602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 247316401.

It is not an unprimeable number, because it can be changed into a prime (247316411) 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, 5376421 + ... + 5376466.

It is an arithmetic number, because the mean of its divisors is an integer number (64517328).

Almost surely, 2^247316401 is an apocalyptic number.

It is an amenable number.

247316401 is a deficient number, since it is larger than the sum of its proper divisors (10752911).

247316401 is a wasteful number, since it uses less digits than its factorization.

247316401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10752910.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 247316401 is about 15726.2964807357. The cubic root of 247316401 is about 627.6983291864.

The spelling of 247316401 in words is "two hundred forty-seven million, three hundred sixteen thousand, four hundred one".