247484051 has 2 divisors, whose sum is σ = 247484052. Its totient is φ = 247484050.

The previous prime is 247484033. The next prime is 247484053. The reversal of 247484051 is 150484742.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 247484051 - 2¹⁸ = 247221907 is a prime.

It is a super-2 number, since 2×247484051² = 122496710998741202, which contains 22 as substring.

Together with 247484053, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_13549148 and since 247484051 and 13549148 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (247484053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123742025 + 123742026.

It is an arithmetic number, because the mean of its divisors is an integer number (123742026).

Almost surely, 2^247484051 is an apocalyptic number.

247484051 is a deficient number, since it is larger than the sum of its proper divisors (1).

247484051 is an equidigital number, since it uses as much as digits as its factorization.

247484051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35840, while the sum is 35.

The square root of 247484051 is about 15731.6258218914. The cubic root of 247484051 is about 627.8401311520.

The spelling of 247484051 in words is "two hundred forty-seven million, four hundred eighty-four thousand, fifty-one".