536187881 has 2 divisors, whose sum is σ = 536187882. Its totient is φ = 536187880.

The previous prime is 536187857. The next prime is 536187907. The reversal of 536187881 is 188781635.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 536154025 + 33856 = 23155^2 + 184^2 .

It is a cyclic number.

It is not a de Polignac number, because 536187881 - 2¹⁴ = 536171497 is a prime.

It is a super-2 number, since 2×536187881² = 574994887462540322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (536187851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268093940 + 268093941.

It is an arithmetic number, because the mean of its divisors is an integer number (268093941).

Almost surely, 2^536187881 is an apocalyptic number.

It is an amenable number.

536187881 is a deficient number, since it is larger than the sum of its proper divisors (1).

536187881 is an equidigital number, since it uses as much as digits as its factorization.

536187881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 47.

The square root of 536187881 is about 23155.7310616616. The cubic root of 536187881 is about 812.4045204095.

The spelling of 536187881 in words is "five hundred thirty-six million, one hundred eighty-seven thousand, eight hundred eighty-one".