2545241553 has 12 divisors (see below), whose sum is σ = 3679087620. Its totient is φ = 1695614976.

The previous prime is 2545241551. The next prime is 2545241557. The reversal of 2545241553 is 3551425452.

2545241553 is a `hidden beast` number, since 2 + 54 + 52 + 4 + 1 + 553 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1399283649 + 1145957904 = 37407^2 + 33852^2 .

It is not a de Polignac number, because 2545241553 - 2¹ = 2545241551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2545241551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87676 + ... + 113037.

It is an arithmetic number, because the mean of its divisors is an integer number (306590635).

Almost surely, 2^2545241553 is an apocalyptic number.

It is an amenable number.

2545241553 is a deficient number, since it is larger than the sum of its proper divisors (1133846067).

2545241553 is a wasteful number, since it uses less digits than its factorization.

2545241553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202128 (or 202125 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 2545241553 is about 50450.3870450961. The cubic root of 2545241553 is about 1365.3468779902.

The spelling of 2545241553 in words is "two billion, five hundred forty-five million, two hundred forty-one thousand, five hundred fifty-three".