36828557 has 2 divisors, whose sum is σ = 36828558. Its totient is φ = 36828556.

The previous prime is 36828551. The next prime is 36828569. The reversal of 36828557 is 75582863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28366276 + 8462281 = 5326^2 + 2909^2 .

It is a cyclic number.

It is not a de Polignac number, because 36828557 - 2⁴ = 36828541 is a prime.

It is a super-2 number, since 2×36828557² = 2712685221404498, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36828551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18414278 + 18414279.

It is an arithmetic number, because the mean of its divisors is an integer number (18414279).

Almost surely, 2^36828557 is an apocalyptic number.

It is an amenable number.

36828557 is a deficient number, since it is larger than the sum of its proper divisors (1).

36828557 is an equidigital number, since it uses as much as digits as its factorization.

36828557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 44.

The square root of 36828557 is about 6068.6536398117. The cubic root of 36828557 is about 332.7067160125.

The spelling of 36828557 in words is "thirty-six million, eight hundred twenty-eight thousand, five hundred fifty-seven".