25242049 has 16 divisors (see below), whose sum is σ = 29611008. Its totient is φ = 21071952.

The previous prime is 25242047. The next prime is 25242071. The reversal of 25242049 is 94024252.

It is a cyclic number.

It is not a de Polignac number, because 25242049 - 2¹ = 25242047 is a prime.

It is a super-2 number, since 2×25242049² = 1274322075436802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25242047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49932 + ... + 50434.

It is an arithmetic number, because the mean of its divisors is an integer number (1850688).

Almost surely, 2^25242049 is an apocalyptic number.

It is an amenable number.

25242049 is a deficient number, since it is larger than the sum of its proper divisors (4368959).

25242049 is a wasteful number, since it uses less digits than its factorization.

25242049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 25242049 is about 5024.1465941989. The cubic root of 25242049 is about 293.3424186523.

The spelling of 25242049 in words is "twenty-five million, two hundred forty-two thousand, forty-nine".