345274529 has 2 divisors, whose sum is σ = 345274530. Its totient is φ = 345274528.

The previous prime is 345274511. The next prime is 345274547. The reversal of 345274529 is 925472543.

It is a balanced prime because it is at equal distance from previous prime (345274511) and next prime (345274547).

It can be written as a sum of positive squares in only one way, i.e., 332989504 + 12285025 = 18248^2 + 3505^2 .

It is a cyclic number.

It is not a de Polignac number, because 345274529 - 2²⁴ = 328497313 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (345274829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172637264 + 172637265.

It is an arithmetic number, because the mean of its divisors is an integer number (172637265).

Almost surely, 2^345274529 is an apocalyptic number.

It is an amenable number.

345274529 is a deficient number, since it is larger than the sum of its proper divisors (1).

345274529 is an equidigital number, since it uses as much as digits as its factorization.

345274529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 41.

The square root of 345274529 is about 18581.5642237138. The cubic root of 345274529 is about 701.5438909940.

The spelling of 345274529 in words is "three hundred forty-five million, two hundred seventy-four thousand, five hundred twenty-nine".