247057052 has 12 divisors (see below), whose sum is σ = 471654456. Its totient is φ = 112298640.

The previous prime is 247056983. The next prime is 247057079. The reversal of 247057052 is 250750742.

It is a super-2 number, since 2×247057052² = 122074373885861408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2807423 + ... + 2807510.

It is an arithmetic number, because the mean of its divisors is an integer number (39304538).

Almost surely, 2^247057052 is an apocalyptic number.

247057052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

247057052 is a deficient number, since it is larger than the sum of its proper divisors (224597404).

247057052 is a wasteful number, since it uses less digits than its factorization.

247057052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5614948 (or 5614946 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 247057052 is about 15718.0486066178. The cubic root of 247057052 is about 627.4788399398.

The spelling of 247057052 in words is "two hundred forty-seven million, fifty-seven thousand, fifty-two".