2545517250 has 48 divisors (see below), whose sum is σ = 6883084728. Its totient is φ = 678804000.

The previous prime is 2545517243. The next prime is 2545517279. The reversal of 2545517250 is 527155452.

2545517250 is a `hidden beast` number, since 2 + 54 + 551 + 7 + 2 + 50 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 240653169 + 2304864081 = 15513^2 + 48009^2 .

It is a super-3 number, since 3×2545517250³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 563421 + ... + 567920.

Almost surely, 2^2545517250 is an apocalyptic number.

2545517250 is an abundant number, since it is smaller than the sum of its proper divisors (4337567478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2545517250 is a wasteful number, since it uses less digits than its factorization.

2545517250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131364 (or 1131351 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 36.

The square root of 2545517250 is about 50453.1193287392. The cubic root of 2545517250 is about 1365.3961736975.

The spelling of 2545517250 in words is "two billion, five hundred forty-five million, five hundred seventeen thousand, two hundred fifty".