239345225 has 12 divisors (see below), whose sum is σ = 339186624. Its totient is φ = 164122320.

The previous prime is 239345221. The next prime is 239345243. The reversal of 239345225 is 522543932.

It is not a de Polignac number, because 239345225 - 2² = 239345221 is a prime.

It is a super-2 number, since 2×239345225² = 114572273460601250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (239345221) 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, 683669 + ... + 684018.

It is an arithmetic number, because the mean of its divisors is an integer number (28265552).

Almost surely, 2^239345225 is an apocalyptic number.

239345225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

239345225 is a deficient number, since it is larger than the sum of its proper divisors (99841399).

239345225 is a wasteful number, since it uses less digits than its factorization.

239345225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367704 (or 1367699 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 239345225 is about 15470.7861791184. The cubic root of 239345225 is about 620.8808369679.

The spelling of 239345225 in words is "two hundred thirty-nine million, three hundred forty-five thousand, two hundred twenty-five".