345013427 has 4 divisors (see below), whose sum is σ = 376378296. Its totient is φ = 313648560.

The previous prime is 345013387. The next prime is 345013433. The reversal of 345013427 is 724310543.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 345013427 - 2⁸ = 345013171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345013427.

It is not an unprimeable number, because it can be changed into a prime (345013447) 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, 15682418 + ... + 15682439.

It is an arithmetic number, because the mean of its divisors is an integer number (94094574).

Almost surely, 2^345013427 is an apocalyptic number.

345013427 is a deficient number, since it is larger than the sum of its proper divisors (31364869).

345013427 is a wasteful number, since it uses less digits than its factorization.

345013427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31364868.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 345013427 is about 18574.5370601800. The cubic root of 345013427 is about 701.3670069108.

The spelling of 345013427 in words is "three hundred forty-five million, thirteen thousand, four hundred twenty-seven".