256532541 has 16 divisors (see below), whose sum is σ = 346472448. Its totient is φ = 168822000.

The previous prime is 256532537. The next prime is 256532543. The reversal of 256532541 is 145235652.

256532541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 256532541 - 2² = 256532537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256532543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73956 + ... + 77346.

It is an arithmetic number, because the mean of its divisors is an integer number (21654528).

Almost surely, 2^256532541 is an apocalyptic number.

It is an amenable number.

256532541 is a deficient number, since it is larger than the sum of its proper divisors (89939907).

256532541 is a wasteful number, since it uses less digits than its factorization.

256532541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712.

The product of its digits is 36000, while the sum is 33.

The square root of 256532541 is about 16016.6332604577. The cubic root of 256532541 is about 635.4004054953.

The spelling of 256532541 in words is "two hundred fifty-six million, five hundred thirty-two thousand, five hundred forty-one".