345355417 has 12 divisors (see below), whose sum is σ = 381337600. Its totient is φ = 312527160.

The previous prime is 345355397. The next prime is 345355427. The reversal of 345355417 is 714553543.

345355417 = 3219² + 3220² + ... + 3251².

It is not a de Polignac number, because 345355417 - 2¹¹ = 345353369 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345355427) 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, 20584 + ... + 33382.

Almost surely, 2^345355417 is an apocalyptic number.

It is an amenable number.

345355417 is a deficient number, since it is larger than the sum of its proper divisors (35982183).

345355417 is a wasteful number, since it uses less digits than its factorization.

345355417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13044 (or 13033 counting only the distinct ones).

The product of its digits is 126000, while the sum is 37.

The square root of 345355417 is about 18583.7406622025. The cubic root of 345355417 is about 701.5986706420.

The spelling of 345355417 in words is "three hundred forty-five million, three hundred fifty-five thousand, four hundred seventeen".