25229895 has 16 divisors (see below), whose sum is σ = 40922592. Its totient is φ = 13271040.

The previous prime is 25229881. The next prime is 25229899. The reversal of 25229895 is 59892252.

It is not a de Polignac number, because 25229895 - 2⁹ = 25229383 is a prime.

It is a super-2 number, since 2×25229895² = 1273095203422050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25229899) 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, 10426 + ... + 12615.

It is an arithmetic number, because the mean of its divisors is an integer number (2557662).

Almost surely, 2^25229895 is an apocalyptic number.

25229895 is a deficient number, since it is larger than the sum of its proper divisors (15692697).

25229895 is a wasteful number, since it uses less digits than its factorization.

25229895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23122.

The product of its digits is 129600, while the sum is 42.

The square root of 25229895 is about 5022.9368899081. The cubic root of 25229895 is about 293.2953298160.

The spelling of 25229895 in words is "twenty-five million, two hundred twenty-nine thousand, eight hundred ninety-five".