52285531 has 2 divisors, whose sum is σ = 52285532. Its totient is φ = 52285530.

The previous prime is 52285517. The next prime is 52285543. The reversal of 52285531 is 13558225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52285531 - 2²¹ = 50188379 is a prime.

It is a super-3 number, since 3×52285531³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 52285493 and 52285502.

It is not a weakly prime, because it can be changed into another prime (52285501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26142765 + 26142766.

It is an arithmetic number, because the mean of its divisors is an integer number (26142766).

Almost surely, 2^52285531 is an apocalyptic number.

52285531 is a deficient number, since it is larger than the sum of its proper divisors (1).

52285531 is an equidigital number, since it uses as much as digits as its factorization.

52285531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12000, while the sum is 31.

The square root of 52285531 is about 7230.8734603781. The cubic root of 52285531 is about 373.9330406211.

The spelling of 52285531 in words is "fifty-two million, two hundred eighty-five thousand, five hundred thirty-one".