2562897723 has 4 divisors (see below), whose sum is σ = 3417196968. Its totient is φ = 1708598480.

The previous prime is 2562897709. The next prime is 2562897761. The reversal of 2562897723 is 3277982652.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2562897723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2562897923) 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, 427149618 + ... + 427149623.

It is an arithmetic number, because the mean of its divisors is an integer number (854299242).

Almost surely, 2^2562897723 is an apocalyptic number.

2562897723 is a deficient number, since it is larger than the sum of its proper divisors (854299245).

2562897723 is an equidigital number, since it uses as much as digits as its factorization.

2562897723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854299244.

The product of its digits is 2540160, while the sum is 51.

The square root of 2562897723 is about 50625.0701036552. The cubic root of 2562897723 is about 1368.4967123655.

The spelling of 2562897723 in words is "two billion, five hundred sixty-two million, eight hundred ninety-seven thousand, seven hundred twenty-three".