2564246061 has 48 divisors (see below), whose sum is σ = 4210315200. Its totient is φ = 1490835456.

The previous prime is 2564245991. The next prime is 2564246071. The reversal of 2564246061 is 1606424652.

2564246061 is a `hidden beast` number, since 2 + 5 + 6 + 42 + 4 + 606 + 1 = 666.

2564246061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2564246061 - 2⁷ = 2564245933 is a prime.

It is a super-2 number, since 2×2564246061² = 13150715722708031442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564246071) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 930061 + ... + 932813.

It is an arithmetic number, because the mean of its divisors is an integer number (87714900).

Almost surely, 2^2564246061 is an apocalyptic number.

It is an amenable number.

2564246061 is a deficient number, since it is larger than the sum of its proper divisors (1646069139).

2564246061 is a wasteful number, since it uses less digits than its factorization.

2564246061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3210 (or 3207 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 2564246061 is about 50638.3852526915. The cubic root of 2564246061 is about 1368.7366585551.

The spelling of 2564246061 in words is "two billion, five hundred sixty-four million, two hundred forty-six thousand, sixty-one".