256772962 has 4 divisors (see below), whose sum is σ = 385159446. Its totient is φ = 128386480.

The previous prime is 256772941. The next prime is 256772983. The reversal of 256772962 is 269277652.

256772962 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (256772941) and next prime (256772983).

It can be written as a sum of positive squares in only one way, i.e., 247464361 + 9308601 = 15731^2 + 3051^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64193239 + ... + 64193242.

Almost surely, 2^256772962 is an apocalyptic number.

256772962 is a deficient number, since it is larger than the sum of its proper divisors (128386484).

256772962 is a wasteful number, since it uses less digits than its factorization.

256772962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128386483.

The product of its digits is 635040, while the sum is 46.

The square root of 256772962 is about 16024.1368566298. The cubic root of 256772962 is about 635.5988415326.

The spelling of 256772962 in words is "two hundred fifty-six million, seven hundred seventy-two thousand, nine hundred sixty-two".