345152251 has 2 divisors, whose sum is σ = 345152252. Its totient is φ = 345152250.

The previous prime is 345152239. The next prime is 345152261. The reversal of 345152251 is 152251543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345152251 - 2¹¹ = 345150203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (345152221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172576125 + 172576126.

It is an arithmetic number, because the mean of its divisors is an integer number (172576126).

Almost surely, 2^345152251 is an apocalyptic number.

345152251 is a deficient number, since it is larger than the sum of its proper divisors (1).

345152251 is an equidigital number, since it uses as much as digits as its factorization.

345152251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6000, while the sum is 28.

The square root of 345152251 is about 18578.2736280850. The cubic root of 345152251 is about 701.4610646193.

The spelling of 345152251 in words is "three hundred forty-five million, one hundred fifty-two thousand, two hundred fifty-one".