25060649 has 2 divisors, whose sum is σ = 25060650. Its totient is φ = 25060648.

The previous prime is 25060631. The next prime is 25060661. The reversal of 25060649 is 94606052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17808400 + 7252249 = 4220^2 + 2693^2 .

It is a cyclic number.

It is not a de Polignac number, because 25060649 - 2²⁴ = 8283433 is a prime.

It is a super-2 number, since 2×25060649² = 1256072256602402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (25060249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12530324 + 12530325.

It is an arithmetic number, because the mean of its divisors is an integer number (12530325).

Almost surely, 2^25060649 is an apocalyptic number.

It is an amenable number.

25060649 is a deficient number, since it is larger than the sum of its proper divisors (1).

25060649 is an equidigital number, since it uses as much as digits as its factorization.

25060649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 25060649 is about 5006.0612261538. The cubic root of 25060649 is about 292.6380345402.

The spelling of 25060649 in words is "twenty-five million, sixty thousand, six hundred forty-nine".