345774025 has 9 divisors (see below), whose sum is σ = 428875111. Its totient is φ = 276544840.

The previous prime is 345774017. The next prime is 345774029. The reversal of 345774025 is 520477543.

It is a happy number.

The square root of 345774025 is 18595.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 124478649 + 221295376 = 11157^2 + 14876^2 .

It is not a de Polignac number, because 345774025 - 2³ = 345774017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345774029) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 91116 + ... + 94834.

Almost surely, 2^345774025 is an apocalyptic number.

345774025 is the 18595-th square number.

345774025 is the 9298-th centered octagonal number.

It is an amenable number.

345774025 is a deficient number, since it is larger than the sum of its proper divisors (83101086).

345774025 is an frugal number, since it uses more digits than its factorization.

345774025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7448 (or 3724 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 37.

The cubic root of 345774025 is about 701.8820272639.

The spelling of 345774025 in words is "three hundred forty-five million, seven hundred seventy-four thousand, twenty-five".