76552261 has 2 divisors, whose sum is σ = 76552262. Its totient is φ = 76552260.

The previous prime is 76552219. The next prime is 76552283. The reversal of 76552261 is 16225567.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50481025 + 26071236 = 7105^2 + 5106^2 .

It is a cyclic number.

It is not a de Polignac number, because 76552261 - 2⁹ = 76551749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76552061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38276130 + 38276131.

It is an arithmetic number, because the mean of its divisors is an integer number (38276131).

Almost surely, 2^76552261 is an apocalyptic number.

It is an amenable number.

76552261 is a deficient number, since it is larger than the sum of its proper divisors (1).

76552261 is an equidigital number, since it uses as much as digits as its factorization.

76552261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 34.

The square root of 76552261 is about 8749.4148947230. The cubic root of 76552261 is about 424.6058833090.

The spelling of 76552261 in words is "seventy-six million, five hundred fifty-two thousand, two hundred sixty-one".