2572334861 has 2 divisors, whose sum is σ = 2572334862. Its totient is φ = 2572334860.

The previous prime is 2572334851. The next prime is 2572334873. The reversal of 2572334861 is 1684332752.

2572334861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2431081636 + 141253225 = 49306^2 + 11885^2 .

It is a cyclic number.

It is not a de Polignac number, because 2572334861 - 2⁶ = 2572334797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2572334801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286167430 + 1286167431.

It is an arithmetic number, because the mean of its divisors is an integer number (1286167431).

Almost surely, 2^2572334861 is an apocalyptic number.

It is an amenable number.

2572334861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2572334861 is an equidigital number, since it uses as much as digits as its factorization.

2572334861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 41.

The square root of 2572334861 is about 50718.1906321588. The cubic root of 2572334861 is about 1370.1743541750.

The spelling of 2572334861 in words is "two billion, five hundred seventy-two million, three hundred thirty-four thousand, eight hundred sixty-one".