256606652 has 24 divisors (see below), whose sum is σ = 460615680. Its totient is φ = 125026160.

The previous prime is 256606633. The next prime is 256606661.

256606652 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42077 + ... + 47787.

It is an arithmetic number, because the mean of its divisors is an integer number (19192320).

Almost surely, 2^256606652 is an apocalyptic number.

It is an amenable number.

256606652 is a deficient number, since it is larger than the sum of its proper divisors (204009028).

256606652 is a wasteful number, since it uses less digits than its factorization.

256606652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6001 (or 5999 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 256606652 is about 16018.9466570059. The cubic root of 256606652 is about 635.4615876300.

The spelling of 256606652 in words is "two hundred fifty-six million, six hundred six thousand, six hundred fifty-two".