247085051 has 2 divisors, whose sum is σ = 247085052. Its totient is φ = 247085050.

The previous prime is 247085029. The next prime is 247085053. The reversal of 247085051 is 150580742.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 247085051 - 2¹⁰ = 247084027 is a prime.

It is a super-2 number, since 2×247085051² = 122102044855345202, which contains 22 as substring.

Together with 247085053, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 247084999 and 247085017.

It is not a weakly prime, because it can be changed into another prime (247085053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123542525 + 123542526.

It is an arithmetic number, because the mean of its divisors is an integer number (123542526).

Almost surely, 2^247085051 is an apocalyptic number.

247085051 is a deficient number, since it is larger than the sum of its proper divisors (1).

247085051 is an equidigital number, since it uses as much as digits as its factorization.

247085051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 247085051 is about 15718.9392453817. The cubic root of 247085051 is about 627.5025431239.

The spelling of 247085051 in words is "two hundred forty-seven million, eighty-five thousand, fifty-one".