25276402553 has 16 divisors (see below), whose sum is σ = 27391613184. Its totient is φ = 23233194240.

The previous prime is 25276402477. The next prime is 25276402559. The reversal of 25276402553 is 35520467252.

It is a cyclic number.

It is not a de Polignac number, because 25276402553 - 2¹⁰ = 25276401529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25276402553.

It is not an unprimeable number, because it can be changed into a prime (25276402559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339263 + ... + 407003.

It is an arithmetic number, because the mean of its divisors is an integer number (1711975824).

Almost surely, 2^25276402553 is an apocalyptic number.

It is an amenable number.

25276402553 is a deficient number, since it is larger than the sum of its proper divisors (2115210631).

25276402553 is a wasteful number, since it uses less digits than its factorization.

25276402553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68272.

The product of its (nonzero) digits is 504000, while the sum is 41.

The spelling of 25276402553 in words is "twenty-five billion, two hundred seventy-six million, four hundred two thousand, five hundred fifty-three".