256017962 has 4 divisors (see below), whose sum is σ = 384026946. Its totient is φ = 128008980.

The previous prime is 256017959. The next prime is 256017967. The reversal of 256017962 is 269710652.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 219306481 + 36711481 = 14809^2 + 6059^2 .

It is not an unprimeable number, because it can be changed into a prime (256017967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64004489 + ... + 64004492.

Almost surely, 2^256017962 is an apocalyptic number.

256017962 is a deficient number, since it is larger than the sum of its proper divisors (128008984).

256017962 is a wasteful number, since it uses less digits than its factorization.

256017962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128008983.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 256017962 is about 16000.5613026544. The cubic root of 256017962 is about 634.9752709075.

The spelling of 256017962 in words is "two hundred fifty-six million, seventeen thousand, nine hundred sixty-two".