86761253 has 2 divisors, whose sum is σ = 86761254. Its totient is φ = 86761252.

The previous prime is 86761249. The next prime is 86761309. The reversal of 86761253 is 35216768.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60730849 + 26030404 = 7793^2 + 5102^2 .

It is a cyclic number.

It is not a de Polignac number, because 86761253 - 2² = 86761249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86761853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43380626 + 43380627.

It is an arithmetic number, because the mean of its divisors is an integer number (43380627).

Almost surely, 2^86761253 is an apocalyptic number.

It is an amenable number.

86761253 is a deficient number, since it is larger than the sum of its proper divisors (1).

86761253 is an equidigital number, since it uses as much as digits as its factorization.

86761253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 86761253 is about 9314.5720782009. The cubic root of 86761253 is about 442.6990654235.

The spelling of 86761253 in words is "eighty-six million, seven hundred sixty-one thousand, two hundred fifty-three".