25113749 has 2 divisors, whose sum is σ = 25113750. Its totient is φ = 25113748.

The previous prime is 25113733. The next prime is 25113779. The reversal of 25113749 is 94731152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18447025 + 6666724 = 4295^2 + 2582^2 .

It is a cyclic number.

It is not a de Polignac number, because 25113749 - 2⁴ = 25113733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25113719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12556874 + 12556875.

It is an arithmetic number, because the mean of its divisors is an integer number (12556875).

Almost surely, 2^25113749 is an apocalyptic number.

It is an amenable number.

25113749 is a deficient number, since it is larger than the sum of its proper divisors (1).

25113749 is an equidigital number, since it uses as much as digits as its factorization.

25113749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 32.

The square root of 25113749 is about 5011.3619905171. The cubic root of 25113749 is about 292.8445750478.

The spelling of 25113749 in words is "twenty-five million, one hundred thirteen thousand, seven hundred forty-nine".