2652212581 has 2 divisors, whose sum is σ = 2652212582. Its totient is φ = 2652212580.

The previous prime is 2652212573. The next prime is 2652212669. The reversal of 2652212581 is 1852122562.

2652212581 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., 2533511556 + 118701025 = 50334^2 + 10895^2 .

It is a cyclic number.

It is not a de Polignac number, because 2652212581 - 2³ = 2652212573 is a prime.

It is a super-2 number, since 2×2652212581² = 14068463149629363122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2652212561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1326106290 + 1326106291.

It is an arithmetic number, because the mean of its divisors is an integer number (1326106291).

Almost surely, 2^2652212581 is an apocalyptic number.

It is an amenable number.

2652212581 is a deficient number, since it is larger than the sum of its proper divisors (1).

2652212581 is an equidigital number, since it uses as much as digits as its factorization.

2652212581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 34.

The square root of 2652212581 is about 51499.6367074565. The cubic root of 2652212581 is about 1384.2125324108.

The spelling of 2652212581 in words is "two billion, six hundred fifty-two million, two hundred twelve thousand, five hundred eighty-one".