2545258767 has 4 divisors (see below), whose sum is σ = 3393678360. Its totient is φ = 1696839176.

The previous prime is 2545258759. The next prime is 2545258769. The reversal of 2545258767 is 7678525452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2545258767 - 2³ = 2545258759 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545258769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424209792 + ... + 424209797.

It is an arithmetic number, because the mean of its divisors is an integer number (848419590).

Almost surely, 2^2545258767 is an apocalyptic number.

2545258767 is a deficient number, since it is larger than the sum of its proper divisors (848419593).

2545258767 is an equidigital number, since it uses as much as digits as its factorization.

2545258767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848419592.

The product of its digits is 4704000, while the sum is 51.

The square root of 2545258767 is about 50450.5576480578. The cubic root of 2545258767 is about 1365.3499560253.

The spelling of 2545258767 in words is "two billion, five hundred forty-five million, two hundred fifty-eight thousand, seven hundred sixty-seven".