537866253 has 12 divisors (see below), whose sum is σ = 779573340. Its totient is φ = 357351936.

The previous prime is 537866239. The next prime is 537866257. The reversal of 537866253 is 352668735.

537866253 is a `hidden beast` number, since 537 + 8 + 6 + 62 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 396089604 + 141776649 = 19902^2 + 11907^2 .

It is not a de Polignac number, because 537866253 - 2⁴ = 537866237 is a prime.

It is a super-2 number, since 2×537866253² = 578600212232520018, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 537866199 and 537866208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537866257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99348 + ... + 104621.

It is an arithmetic number, because the mean of its divisors is an integer number (64964445).

Almost surely, 2^537866253 is an apocalyptic number.

It is an amenable number.

537866253 is a deficient number, since it is larger than the sum of its proper divisors (241707087).

537866253 is a wasteful number, since it uses less digits than its factorization.

537866253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204268 (or 204265 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 537866253 is about 23191.9437089693. The cubic root of 537866253 is about 813.2512987037.

It can be divided in two parts, 5378 and 66253, that added together give a triangular number (71631 = T₃₇₈).

The spelling of 537866253 in words is "five hundred thirty-seven million, eight hundred sixty-six thousand, two hundred fifty-three".