25847955 has 48 divisors (see below), whose sum is σ = 52875264. Its totient is φ = 11430720.

The previous prime is 25847951. The next prime is 25847971. The reversal of 25847955 is 55974852.

It is not a de Polignac number, because 25847955 - 2² = 25847951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 25847955.

It is not an unprimeable number, because it can be changed into a prime (25847951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8442 + ... + 11088.

It is an arithmetic number, because the mean of its divisors is an integer number (1101568).

Almost surely, 2^25847955 is an apocalyptic number.

25847955 is an abundant number, since it is smaller than the sum of its proper divisors (27027309).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25847955 is a wasteful number, since it uses less digits than its factorization.

25847955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696 (or 2693 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 25847955 is about 5084.0884138654. The cubic root of 25847955 is about 295.6709996553.

The spelling of 25847955 in words is "twenty-five million, eight hundred forty-seven thousand, nine hundred fifty-five".