33256130 has 16 divisors (see below), whose sum is σ = 60036984. Its totient is φ = 13263360.

The previous prime is 33256123. The next prime is 33256147. The reversal of 33256130 is 3165233.

It can be written as a sum of positive squares in 4 ways, for example, as 22648081 + 10608049 = 4759^2 + 3257^2 .

It is a super-2 number, since 2×33256130² = 2211940365153800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33256096 and 33256105.

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, 1181 + ... + 8240.

Almost surely, 2^33256130 is an apocalyptic number.

33256130 is a deficient number, since it is larger than the sum of its proper divisors (26780854).

33256130 is a wasteful number, since it uses less digits than its factorization.

33256130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9781.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 33256130 is about 5766.8128112502. The cubic root of 33256130 is about 321.5811394701.

The spelling of 33256130 in words is "thirty-three million, two hundred fifty-six thousand, one hundred thirty".