345057751 has 2 divisors, whose sum is σ = 345057752. Its totient is φ = 345057750.

The previous prime is 345057749. The next prime is 345057767. The reversal of 345057751 is 157750543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345057751 - 2¹ = 345057749 is a prime.

Together with 345057749, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 345057751.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345057731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172528875 + 172528876.

It is an arithmetic number, because the mean of its divisors is an integer number (172528876).

Almost surely, 2^345057751 is an apocalyptic number.

345057751 is a deficient number, since it is larger than the sum of its proper divisors (1).

345057751 is an equidigital number, since it uses as much as digits as its factorization.

345057751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73500, while the sum is 37.

The square root of 345057751 is about 18575.7301606155. The cubic root of 345057751 is about 701.3970405825.

The spelling of 345057751 in words is "three hundred forty-five million, fifty-seven thousand, seven hundred fifty-one".