25435895 has 4 divisors (see below), whose sum is σ = 30523080. Its totient is φ = 20348712.

The previous prime is 25435873. The next prime is 25435897. The reversal of 25435895 is 59853452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25435895 - 2²⁴ = 8658679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25435897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2543585 + ... + 2543594.

It is an arithmetic number, because the mean of its divisors is an integer number (7630770).

Almost surely, 2^25435895 is an apocalyptic number.

25435895 is a deficient number, since it is larger than the sum of its proper divisors (5087185).

25435895 is an equidigital number, since it uses as much as digits as its factorization.

25435895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5087184.

The product of its digits is 216000, while the sum is 41.

The square root of 25435895 is about 5043.4011341554. The cubic root of 25435895 is about 294.0914110990.

The spelling of 25435895 in words is "twenty-five million, four hundred thirty-five thousand, eight hundred ninety-five".