345401125247 has 2 divisors, whose sum is σ = 345401125248. Its totient is φ = 345401125246.

The previous prime is 345401125207. The next prime is 345401125261. The reversal of 345401125247 is 742521104543.

It is a strong prime.

It is an emirp because it is prime and its reverse (742521104543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345401125247 - 2¹⁶ = 345401059711 is a prime.

It is a super-2 number, since 2×345401125247² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 345401125247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345401125207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172700562623 + 172700562624.

It is an arithmetic number, because the mean of its divisors is an integer number (172700562624).

Almost surely, 2^345401125247 is an apocalyptic number.

345401125247 is a deficient number, since it is larger than the sum of its proper divisors (1).

345401125247 is an equidigital number, since it uses as much as digits as its factorization.

345401125247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 345401125247 in words is "three hundred forty-five billion, four hundred one million, one hundred twenty-five thousand, two hundred forty-seven".