256037485 has 16 divisors (see below), whose sum is σ = 340183872. Its totient is φ = 183427200.

The previous prime is 256037473. The next prime is 256037501. The reversal of 256037485 is 584730652.

It is not a de Polignac number, because 256037485 - 2²¹ = 253940333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31056 + ... + 38425.

It is an arithmetic number, because the mean of its divisors is an integer number (21261492).

Almost surely, 2^256037485 is an apocalyptic number.

It is an amenable number.

256037485 is a deficient number, since it is larger than the sum of its proper divisors (84146387).

256037485 is a wasteful number, since it uses less digits than its factorization.

256037485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69564.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 256037485 is about 16001.1713633721. The cubic root of 256037485 is about 634.9914108000.

The spelling of 256037485 in words is "two hundred fifty-six million, thirty-seven thousand, four hundred eighty-five".