256234502 has 8 divisors (see below), whose sum is σ = 393726312. Its totient is φ = 124992400.

The previous prime is 256234501. The next prime is 256234507. The reversal of 256234502 is 205432652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×256234502² = 131312240030376008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256234501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1562324 + ... + 1562487.

It is an arithmetic number, because the mean of its divisors is an integer number (49215789).

Almost surely, 2^256234502 is an apocalyptic number.

256234502 is a deficient number, since it is larger than the sum of its proper divisors (137491810).

256234502 is a wasteful number, since it uses less digits than its factorization.

256234502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124854.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 256234502 is about 16007.3265100703. The cubic root of 256234502 is about 635.1542411604.

The spelling of 256234502 in words is "two hundred fifty-six million, two hundred thirty-four thousand, five hundred two".