25049039 has 2 divisors, whose sum is σ = 25049040. Its totient is φ = 25049038.

The previous prime is 25049033. The next prime is 25049107. The reversal of 25049039 is 93094052.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25049039 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25048996 and 25049014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25049033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12524519 + 12524520.

It is an arithmetic number, because the mean of its divisors is an integer number (12524520).

Almost surely, 2^25049039 is an apocalyptic number.

25049039 is a deficient number, since it is larger than the sum of its proper divisors (1).

25049039 is an equidigital number, since it uses as much as digits as its factorization.

25049039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 25049039 is about 5004.9014975322. The cubic root of 25049039 is about 292.5928368230.

The spelling of 25049039 in words is "twenty-five million, forty-nine thousand, thirty-nine".