25431055 has 8 divisors (see below), whose sum is σ = 32864832. Its totient is φ = 18779808.

The previous prime is 25431053. The next prime is 25431071. The reversal of 25431055 is 55013452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25431055 - 2¹ = 25431053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25431053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195559 + ... + 195688.

It is an arithmetic number, because the mean of its divisors is an integer number (4108104).

Almost surely, 2^25431055 is an apocalyptic number.

25431055 is a deficient number, since it is larger than the sum of its proper divisors (7433777).

25431055 is a wasteful number, since it uses less digits than its factorization.

25431055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391265.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 25431055 is about 5042.9212764032. The cubic root of 25431055 is about 294.0727564547.

The spelling of 25431055 in words is "twenty-five million, four hundred thirty-one thousand, fifty-five".