5436531 has 16 divisors (see below), whose sum is σ = 8094720. Its totient is φ = 3606120.

The previous prime is 5436511. The next prime is 5436547. The reversal of 5436531 is 1356345.

5436531 is a `hidden beast` number, since 5 + 4 + 3 + 653 + 1 = 666.

It is not a de Polignac number, because 5436531 - 2⁵ = 5436499 is a prime.

It is a super-2 number, since 2×5436531² = 59111738627922, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 5436495 and 5436504.

It is not an unprimeable number, because it can be changed into a prime (5436511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6946 + ... + 7688.

It is an arithmetic number, because the mean of its divisors is an integer number (505920).

Almost surely, 2^5436531 is an apocalyptic number.

5436531 is a deficient number, since it is larger than the sum of its proper divisors (2658189).

5436531 is a wasteful number, since it uses less digits than its factorization.

5436531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023 (or 1017 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 5436531 is about 2331.6369786054. The cubic root of 5436531 is about 175.8357951084.

It can be divided in two parts, 54 and 36531, that added together give a triangular number (36585 = T₂₇₀).

The spelling of 5436531 in words is "five million, four hundred thirty-six thousand, five hundred thirty-one".