245331057487 has 2 divisors, whose sum is σ = 245331057488. Its totient is φ = 245331057486.

The previous prime is 245331057463. The next prime is 245331057563. The reversal of 245331057487 is 784750133542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245331057487 - 2²⁷ = 245196839759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245331057487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245331057427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122665528743 + 122665528744.

It is an arithmetic number, because the mean of its divisors is an integer number (122665528744).

Almost surely, 2^245331057487 is an apocalyptic number.

245331057487 is a deficient number, since it is larger than the sum of its proper divisors (1).

245331057487 is an equidigital number, since it uses as much as digits as its factorization.

245331057487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 245331057487 in words is "two hundred forty-five billion, three hundred thirty-one million, fifty-seven thousand, four hundred eighty-seven".