256362133 has 4 divisors (see below), whose sum is σ = 256398688. Its totient is φ = 256325580.

The previous prime is 256362103. The next prime is 256362137. The reversal of 256362133 is 331263652.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 256362133 - 2¹³ = 256353941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 256362095 and 256362104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256362137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4083 + ... + 23008.

It is an arithmetic number, because the mean of its divisors is an integer number (64099672).

Almost surely, 2^256362133 is an apocalyptic number.

It is an amenable number.

256362133 is a deficient number, since it is larger than the sum of its proper divisors (36555).

256362133 is an equidigital number, since it uses as much as digits as its factorization.

256362133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36554.

The product of its digits is 19440, while the sum is 31.

The square root of 256362133 is about 16011.3126569935. The cubic root of 256362133 is about 635.2596809229.

The spelling of 256362133 in words is "two hundred fifty-six million, three hundred sixty-two thousand, one hundred thirty-three".