247494107 has 4 divisors (see below), whose sum is σ = 282850416. Its totient is φ = 212137800.

The previous prime is 247494083. The next prime is 247494127. The reversal of 247494107 is 701494742.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 247494107 - 2¹² = 247490011 is a prime.

It is a super-2 number, since 2×247494107² = 122506665999454898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (247494127) 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, 17678144 + ... + 17678157.

It is an arithmetic number, because the mean of its divisors is an integer number (70712604).

Almost surely, 2^247494107 is an apocalyptic number.

247494107 is a deficient number, since it is larger than the sum of its proper divisors (35356309).

247494107 is an equidigital number, since it uses as much as digits as its factorization.

247494107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35356308.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 247494107 is about 15731.9454296028. The cubic root of 247494107 is about 627.8486346964.

The spelling of 247494107 in words is "two hundred forty-seven million, four hundred ninety-four thousand, one hundred seven".