345750401 has 4 divisors (see below), whose sum is σ = 353791152. Its totient is φ = 337709652.

The previous prime is 345750397. The next prime is 345750469. The reversal of 345750401 is 104057543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 345750401 - 2² = 345750397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345750481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4020311 + ... + 4020396.

It is an arithmetic number, because the mean of its divisors is an integer number (88447788).

Almost surely, 2^345750401 is an apocalyptic number.

It is an amenable number.

345750401 is a deficient number, since it is larger than the sum of its proper divisors (8040751).

345750401 is an equidigital number, since it uses as much as digits as its factorization.

345750401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8040750.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 345750401 is about 18594.3647646269. The cubic root of 345750401 is about 701.8660422202.

The spelling of 345750401 in words is "three hundred forty-five million, seven hundred fifty thousand, four hundred one".