2525454553 has 4 divisors (see below), whose sum is σ = 2549057040. Its totient is φ = 2501852068.

The previous prime is 2525454551. The next prime is 2525454571. The reversal of 2525454553 is 3554545252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2525454553 - 2¹ = 2525454551 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2525454551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11801083 + ... + 11801296.

It is an arithmetic number, because the mean of its divisors is an integer number (637264260).

Almost surely, 2^2525454553 is an apocalyptic number.

It is an amenable number.

2525454553 is a deficient number, since it is larger than the sum of its proper divisors (23602487).

2525454553 is a wasteful number, since it uses less digits than its factorization.

2525454553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23602486.

The product of its digits is 600000, while the sum is 40.

The square root of 2525454553 is about 50253.9008734645. The cubic root of 2525454553 is about 1361.7995484796.

The spelling of 2525454553 in words is "two billion, five hundred twenty-five million, four hundred fifty-four thousand, five hundred fifty-three".