25244895 has 16 divisors (see below), whose sum is σ = 43499232. Its totient is φ = 12428160.

The previous prime is 25244893. The next prime is 25244899. The reversal of 25244895 is 59844252.

It is not a de Polignac number, because 25244895 - 2¹ = 25244893 is a prime.

It is a super-2 number, since 2×25244895² = 1274609447122050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25244893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64536 + ... + 64925.

It is an arithmetic number, because the mean of its divisors is an integer number (2718702).

Almost surely, 2^25244895 is an apocalyptic number.

25244895 is a deficient number, since it is larger than the sum of its proper divisors (18254337).

25244895 is a wasteful number, since it uses less digits than its factorization.

25244895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129482.

The product of its digits is 115200, while the sum is 39.

The square root of 25244895 is about 5024.4298183973. The cubic root of 25244895 is about 293.3534428649.

The spelling of 25244895 in words is "twenty-five million, two hundred forty-four thousand, eight hundred ninety-five".