25500455 has 8 divisors (see below), whose sum is σ = 30638832. Its totient is φ = 20374848.

The previous prime is 25500443. The next prime is 25500463. The reversal of 25500455 is 55400552.

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 25500455 - 2⁴ = 25500439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1964 + ... + 7406.

It is an arithmetic number, because the mean of its divisors is an integer number (3829854).

Almost surely, 2^25500455 is an apocalyptic number.

25500455 is a deficient number, since it is larger than the sum of its proper divisors (5138377).

25500455 is an equidigital number, since it uses as much as digits as its factorization.

25500455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6385.

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 25500455 is about 5049.7975206933. The cubic root of 25500455 is about 294.3400164731.

The spelling of 25500455 in words is "twenty-five million, five hundred thousand, four hundred fifty-five".