2534578761 has 32 divisors (see below), whose sum is σ = 4024685952. Its totient is φ = 1398504960.

The previous prime is 2534578759. The next prime is 2534578763. The reversal of 2534578761 is 1678754352.

It is an interprime number because it is at equal distance from previous prime (2534578759) and next prime (2534578763).

It is not a de Polignac number, because 2534578761 - 2¹ = 2534578759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2534578761.

It is not an unprimeable number, because it can be changed into a prime (2534578763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9150 + ... + 71783.

It is an arithmetic number, because the mean of its divisors is an integer number (125771436).

Almost surely, 2^2534578761 is an apocalyptic number.

It is an amenable number.

2534578761 is a deficient number, since it is larger than the sum of its proper divisors (1490107191).

2534578761 is a wasteful number, since it uses less digits than its factorization.

2534578761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81033.

The product of its digits is 1411200, while the sum is 48.

The square root of 2534578761 is about 50344.6001175896. The cubic root of 2534578761 is about 1363.4375913491.

The spelling of 2534578761 in words is "two billion, five hundred thirty-four million, five hundred seventy-eight thousand, seven hundred sixty-one".