25039361 has 2 divisors, whose sum is σ = 25039362. Its totient is φ = 25039360.

The previous prime is 25039319. The next prime is 25039367. The reversal of 25039361 is 16393052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23464336 + 1575025 = 4844^2 + 1255^2 .

It is a cyclic number.

It is not a de Polignac number, because 25039361 - 2²² = 20845057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25039367) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12519680 + 12519681.

It is an arithmetic number, because the mean of its divisors is an integer number (12519681).

Almost surely, 2^25039361 is an apocalyptic number.

It is an amenable number.

25039361 is a deficient number, since it is larger than the sum of its proper divisors (1).

25039361 is an equidigital number, since it uses as much as digits as its factorization.

25039361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 25039361 is about 5003.9345519301. The cubic root of 25039361 is about 292.5551497053. Note that the first 3 decimals are identical.

The spelling of 25039361 in words is "twenty-five million, thirty-nine thousand, three hundred sixty-one".