247242795 has 16 divisors (see below), whose sum is σ = 404006400. Its totient is φ = 129056864.

The previous prime is 247242791. The next prime is 247242799. The reversal of 247242795 is 597242742.

247242795 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (247242791) and next prime (247242799).

It is a cyclic number.

It is not a de Polignac number, because 247242795 - 2² = 247242791 is a prime.

It is a super-2 number, since 2×247242795² = 122257999358824050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247242791) 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, 174645 + ... + 176054.

It is an arithmetic number, because the mean of its divisors is an integer number (25250400).

Almost surely, 2^247242795 is an apocalyptic number.

247242795 is a deficient number, since it is larger than the sum of its proper divisors (156763605).

247242795 is a wasteful number, since it uses less digits than its factorization.

247242795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350754.

The product of its digits is 282240, while the sum is 42.

The square root of 247242795 is about 15723.9560861763. The cubic root of 247242795 is about 627.6360514087.

The spelling of 247242795 in words is "two hundred forty-seven million, two hundred forty-two thousand, seven hundred ninety-five".