345166025 has 12 divisors (see below), whose sum is σ = 430229532. Its totient is φ = 274698240.

The previous prime is 345166021. The next prime is 345166039. The reversal of 345166025 is 520661543.

It can be written as a sum of positive squares in 6 ways, for example, as 36917776 + 308248249 = 6076^2 + 17557^2 .

It is not a de Polignac number, because 345166025 - 2² = 345166021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345165982 and 345166000.

It is not an unprimeable number, because it can be changed into a prime (345166021) 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, 30944 + ... + 40593.

It is an arithmetic number, because the mean of its divisors is an integer number (35852461).

Almost surely, 2^345166025 is an apocalyptic number.

It is an amenable number.

345166025 is a deficient number, since it is larger than the sum of its proper divisors (85063507).

345166025 is a wasteful number, since it uses less digits than its factorization.

345166025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71740 (or 71735 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 345166025 is about 18578.6443262150. The cubic root of 345166025 is about 701.4703955703.

The spelling of 345166025 in words is "three hundred forty-five million, one hundred sixty-six thousand, twenty-five".