345422501 has 4 divisors (see below), whose sum is σ = 346243404. Its totient is φ = 344601600.

The previous prime is 345422477. The next prime is 345422557. The reversal of 345422501 is 105224543.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 429025 + 344993476 = 655^2 + 18574^2 .

It is a cyclic number.

It is not a de Polignac number, because 345422501 - 2⁶ = 345422437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345422101) 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, 409820 + ... + 410661.

It is an arithmetic number, because the mean of its divisors is an integer number (86560851).

Almost surely, 2^345422501 is an apocalyptic number.

It is an amenable number.

345422501 is a deficient number, since it is larger than the sum of its proper divisors (820903).

345422501 is an equidigital number, since it uses as much as digits as its factorization.

345422501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820902.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 345422501 is about 18585.5454856725. The cubic root of 345422501 is about 701.6440953415.

The spelling of 345422501 in words is "three hundred forty-five million, four hundred twenty-two thousand, five hundred one".