6572252261 has 2 divisors, whose sum is σ = 6572252262. Its totient is φ = 6572252260.

The previous prime is 6572252237. The next prime is 6572252279. The reversal of 6572252261 is 1622522756.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5128708225 + 1443544036 = 71615^2 + 37994^2 .

It is a cyclic number.

It is not a de Polignac number, because 6572252261 - 2¹⁴ = 6572235877 is a prime.

It is a super-2 number, since 2×6572252261² = 86388999564439224242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6572282261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3286126130 + 3286126131.

It is an arithmetic number, because the mean of its divisors is an integer number (3286126131).

Almost surely, 2^6572252261 is an apocalyptic number.

It is an amenable number.

6572252261 is a deficient number, since it is larger than the sum of its proper divisors (1).

6572252261 is an equidigital number, since it uses as much as digits as its factorization.

6572252261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 38.

The square root of 6572252261 is about 81069.4286460685. The cubic root of 6572252261 is about 1873.1450465269.

The spelling of 6572252261 in words is "six billion, five hundred seventy-two million, two hundred fifty-two thousand, two hundred sixty-one".