25250049 has 40 divisors (see below), whose sum is σ = 43594848. Its totient is φ = 14394240.

The previous prime is 25250047. The next prime is 25250051. The reversal of 25250049 is 94005252.

It is an interprime number because it is at equal distance from previous prime (25250047) and next prime (25250051).

It is not a de Polignac number, because 25250049 - 2¹ = 25250047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (25250047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14314 + ... + 15980.

Almost surely, 2^25250049 is an apocalyptic number.

It is an amenable number.

25250049 is a deficient number, since it is larger than the sum of its proper divisors (18344799).

25250049 is a wasteful number, since it uses less digits than its factorization.

25250049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707 (or 1698 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 25250049 is about 5024.9426862403. The cubic root of 25250049 is about 293.3734051948.

The spelling of 25250049 in words is "twenty-five million, two hundred fifty thousand, forty-nine".