345291753 has 8 divisors (see below), whose sum is σ = 461160000. Its totient is φ = 229809008.

The previous prime is 345291721. The next prime is 345291761. The reversal of 345291753 is 357192543.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345291753 - 2⁵ = 345291721 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (345291853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94278 + ... + 97871.

It is an arithmetic number, because the mean of its divisors is an integer number (57645000).

Almost surely, 2^345291753 is an apocalyptic number.

It is an amenable number.

345291753 is a deficient number, since it is larger than the sum of its proper divisors (115868247).

345291753 is a wasteful number, since it uses less digits than its factorization.

345291753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192751.

The product of its digits is 113400, while the sum is 39.

The square root of 345291753 is about 18582.0276880646. The cubic root of 345291753 is about 701.5555562923. Note that the first 5 decimals are identical.

The spelling of 345291753 in words is "three hundred forty-five million, two hundred ninety-one thousand, seven hundred fifty-three".