36279557 has 2 divisors, whose sum is σ = 36279558. Its totient is φ = 36279556.

The previous prime is 36279511. The next prime is 36279559. The reversal of 36279557 is 75597263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27363361 + 8916196 = 5231^2 + 2986^2 .

It is a cyclic number.

It is not a de Polignac number, because 36279557 - 2¹⁰ = 36278533 is a prime.

It is a super-2 number, since 2×36279557² = 2632412512232498, which contains 22 as substring.

Together with 36279559, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36279559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18139778 + 18139779.

It is an arithmetic number, because the mean of its divisors is an integer number (18139779).

Almost surely, 2^36279557 is an apocalyptic number.

It is an amenable number.

36279557 is a deficient number, since it is larger than the sum of its proper divisors (1).

36279557 is an equidigital number, since it uses as much as digits as its factorization.

36279557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 396900, while the sum is 44.

The square root of 36279557 is about 6023.2513645041. The cubic root of 36279557 is about 331.0452228108.

The spelling of 36279557 in words is "thirty-six million, two hundred seventy-nine thousand, five hundred fifty-seven".