345395511 has 12 divisors (see below), whose sum is σ = 528252192. Its totient is φ = 216718656.

The previous prime is 345395507. The next prime is 345395537. The reversal of 345395511 is 115593543.

It is a happy number.

345395511 is a `hidden beast` number, since 3 + 4 + 53 + 95 + 511 = 666.

It is not a de Polignac number, because 345395511 - 2² = 345395507 is a prime.

It is a super-2 number, since 2×345395511² = 238596118037902242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345395551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1128591 + ... + 1128896.

It is an arithmetic number, because the mean of its divisors is an integer number (44021016).

Almost surely, 2^345395511 is an apocalyptic number.

345395511 is a deficient number, since it is larger than the sum of its proper divisors (182856681).

345395511 is a wasteful number, since it uses less digits than its factorization.

345395511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257510 (or 2257507 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 345395511 is about 18584.8193695823. The cubic root of 345395511 is about 701.6258202655.

The spelling of 345395511 in words is "three hundred forty-five million, three hundred ninety-five thousand, five hundred eleven".