76656253 has 2 divisors, whose sum is σ = 76656254. Its totient is φ = 76656252.

The previous prime is 76656233. The next prime is 76656259. The reversal of 76656253 is 35265667.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66145689 + 10510564 = 8133^2 + 3242^2 .

It is a cyclic number.

It is not a de Polignac number, because 76656253 - 2⁹ = 76655741 is a prime.

It is a super-2 number, since 2×76656253² = 11752362248000018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76656259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38328126 + 38328127.

It is an arithmetic number, because the mean of its divisors is an integer number (38328127).

Almost surely, 2^76656253 is an apocalyptic number.

It is an amenable number.

76656253 is a deficient number, since it is larger than the sum of its proper divisors (1).

76656253 is an equidigital number, since it uses as much as digits as its factorization.

76656253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 40.

The square root of 76656253 is about 8755.3556752424. The cubic root of 76656253 is about 424.7980641590.

The spelling of 76656253 in words is "seventy-six million, six hundred fifty-six thousand, two hundred fifty-three".