345761089 has 2 divisors, whose sum is σ = 345761090. Its totient is φ = 345761088.

The previous prime is 345761027. The next prime is 345761137. The reversal of 345761089 is 980167543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 340956225 + 4804864 = 18465^2 + 2192^2 .

It is a cyclic number.

It is not a de Polignac number, because 345761089 - 2²¹ = 343663937 is a prime.

It is not a weakly prime, because it can be changed into another prime (345761489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172880544 + 172880545.

It is an arithmetic number, because the mean of its divisors is an integer number (172880545).

Almost surely, 2^345761089 is an apocalyptic number.

It is an amenable number.

345761089 is a deficient number, since it is larger than the sum of its proper divisors (1).

345761089 is an equidigital number, since it uses as much as digits as its factorization.

345761089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 345761089 is about 18594.6521613070. The cubic root of 345761089 is about 701.8732742841.

It can be divided in two parts, 3457 and 61089, that added together give a palindrome (64546).

The spelling of 345761089 in words is "three hundred forty-five million, seven hundred sixty-one thousand, eighty-nine".