76806253 has 2 divisors, whose sum is σ = 76806254. Its totient is φ = 76806252.

The previous prime is 76806209. The next prime is 76806277. The reversal of 76806253 is 35260867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40106889 + 36699364 = 6333^2 + 6058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76806253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76806553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38403126 + 38403127.

It is an arithmetic number, because the mean of its divisors is an integer number (38403127).

Almost surely, 2^76806253 is an apocalyptic number.

It is an amenable number.

76806253 is a deficient number, since it is larger than the sum of its proper divisors (1).

76806253 is an equidigital number, since it uses as much as digits as its factorization.

76806253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 76806253 is about 8763.9176741911. The cubic root of 76806253 is about 425.0749634781.

The spelling of 76806253 in words is "seventy-six million, eight hundred six thousand, two hundred fifty-three".