2545323451 has 12 divisors (see below), whose sum is σ = 2919396816. Its totient is φ = 2213322320.

The previous prime is 2545323421. The next prime is 2545323509. The reversal of 2545323451 is 1543235452.

It is not a de Polignac number, because 2545323451 - 2⁷ = 2545323323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2545323421) 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, 454516 + ... + 460081.

It is an arithmetic number, because the mean of its divisors is an integer number (243283068).

Almost surely, 2^2545323451 is an apocalyptic number.

2545323451 is a deficient number, since it is larger than the sum of its proper divisors (374073365).

2545323451 is a wasteful number, since it uses less digits than its factorization.

2545323451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914642 (or 914631 counting only the distinct ones).

The product of its digits is 72000, while the sum is 34.

The square root of 2545323451 is about 50451.1987072656. The cubic root of 2545323451 is about 1365.3615220462.

The spelling of 2545323451 in words is "two billion, five hundred forty-five million, three hundred twenty-three thousand, four hundred fifty-one".