25254545455 has 8 divisors (see below), whose sum is σ = 31350470400. Its totient is φ = 19506959136.

The previous prime is 25254545453. The next prime is 25254545507. The reversal of 25254545455 is 55454545252.

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 25254545455 - 2¹ = 25254545453 is a prime.

It is a super-2 number, since 2×25254545455² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25254545453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87084495 + ... + 87084784.

It is an arithmetic number, because the mean of its divisors is an integer number (3918808800).

Almost surely, 2^25254545455 is an apocalyptic number.

25254545455 is a deficient number, since it is larger than the sum of its proper divisors (6095924945).

25254545455 is a wasteful number, since it uses less digits than its factorization.

25254545455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174169313.

The product of its digits is 4000000, while the sum is 46.

The spelling of 25254545455 in words is "twenty-five billion, two hundred fifty-four million, five hundred forty-five thousand, four hundred fifty-five".