25030949 has 2 divisors, whose sum is σ = 25030950. Its totient is φ = 25030948.

The previous prime is 25030939. The next prime is 25030963. The reversal of 25030949 is 94903052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20160100 + 4870849 = 4490^2 + 2207^2 .

It is a cyclic number.

It is not a de Polignac number, because 25030949 - 2⁴ = 25030933 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25030909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12515474 + 12515475.

It is an arithmetic number, because the mean of its divisors is an integer number (12515475).

Almost surely, 2^25030949 is an apocalyptic number.

It is an amenable number.

25030949 is a deficient number, since it is larger than the sum of its proper divisors (1).

25030949 is an equidigital number, since it uses as much as digits as its factorization.

25030949 is an odious number, because the sum of its binary digits is odd.

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

The square root of 25030949 is about 5003.0939427518. The cubic root of 25030949 is about 292.5223846312.

The spelling of 25030949 in words is "twenty-five million, thirty thousand, nine hundred forty-nine".