247401795 has 16 divisors (see below), whose sum is σ = 406542240. Its totient is φ = 128381184.

The previous prime is 247401779. The next prime is 247401811. The reversal of 247401795 is 597104742.

It is an interprime number because it is at equal distance from previous prime (247401779) and next prime (247401811).

It is not a de Polignac number, because 247401795 - 2⁴ = 247401779 is a prime.

It is a super-2 number, since 2×247401795² = 122415296338444050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222330 + ... + 223439.

It is an arithmetic number, because the mean of its divisors is an integer number (25408890).

Almost surely, 2^247401795 is an apocalyptic number.

247401795 is a deficient number, since it is larger than the sum of its proper divisors (159140445).

247401795 is a wasteful number, since it uses less digits than its factorization.

247401795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445814.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 247401795 is about 15729.0112530953. The cubic root of 247401795 is about 627.7705652678.

The spelling of 247401795 in words is "two hundred forty-seven million, four hundred one thousand, seven hundred ninety-five".