25015849 has 2 divisors, whose sum is σ = 25015850. Its totient is φ = 25015848.

The previous prime is 25015831. The next prime is 25015867. The reversal of 25015849 is 94851052.

It is a balanced prime because it is at equal distance from previous prime (25015831) and next prime (25015867).

It can be written as a sum of positive squares in only one way, i.e., 16646400 + 8369449 = 4080^2 + 2893^2 .

It is a cyclic number.

It is not a de Polignac number, because 25015849 - 2⁵ = 25015817 is a prime.

It is not a weakly prime, because it can be changed into another prime (25015819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12507924 + 12507925.

It is an arithmetic number, because the mean of its divisors is an integer number (12507925).

Almost surely, 2^25015849 is an apocalyptic number.

It is an amenable number.

25015849 is a deficient number, since it is larger than the sum of its proper divisors (1).

25015849 is an equidigital number, since it uses as much as digits as its factorization.

25015849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 25015849 is about 5001.5846488888. The cubic root of 25015849 is about 292.4635511112.

The spelling of 25015849 in words is "twenty-five million, fifteen thousand, eight hundred forty-nine".