2545782231 has 8 divisors (see below), whose sum is σ = 3458421360. Its totient is φ = 1665165632.

The previous prime is 2545782229. The next prime is 2545782269. The reversal of 2545782231 is 1322875452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2545782231 - 2¹ = 2545782229 is a prime.

It is a super-2 number, since 2×2545782231² = 12962014335350674722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2545782231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545782221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8005446 + ... + 8005763.

It is an arithmetic number, because the mean of its divisors is an integer number (432302670).

Almost surely, 2^2545782231 is an apocalyptic number.

2545782231 is a deficient number, since it is larger than the sum of its proper divisors (912639129).

2545782231 is a wasteful number, since it uses less digits than its factorization.

2545782231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16011265.

The product of its digits is 134400, while the sum is 39.

The square root of 2545782231 is about 50455.7452724662. The cubic root of 2545782231 is about 1365.4435499875.

The spelling of 2545782231 in words is "two billion, five hundred forty-five million, seven hundred eighty-two thousand, two hundred thirty-one".