256532536 has 24 divisors (see below), whose sum is σ = 520847280. Its totient is φ = 118399008.

The previous prime is 256532519. The next prime is 256532537. The reversal of 256532536 is 635235652.

It is a super-3 number, since 3×256532536³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 256532495 and 256532504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256532537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93520 + ... + 96223.

It is an arithmetic number, because the mean of its divisors is an integer number (21701970).

Almost surely, 2^256532536 is an apocalyptic number.

256532536 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

256532536 is an abundant number, since it is smaller than the sum of its proper divisors (264314744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256532536 is a wasteful number, since it uses less digits than its factorization.

256532536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189775 (or 189758 counting only the distinct ones).

The product of its digits is 162000, while the sum is 37.

The square root of 256532536 is about 16016.6331043700. The cubic root of 256532536 is about 635.4004013672.

The spelling of 256532536 in words is "two hundred fifty-six million, five hundred thirty-two thousand, five hundred thirty-six".