33125830 has 32 divisors (see below), whose sum is σ = 62337600. Its totient is φ = 12657792.

The previous prime is 33125803. The next prime is 33125857. The reversal of 33125830 is 3852133.

It is an interprime number because it is at equal distance from previous prime (33125803) and next prime (33125857).

It is a super-2 number, since 2×33125830² = 2194641226377800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33125795 and 33125804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29316 + ... + 30424.

It is an arithmetic number, because the mean of its divisors is an integer number (1948050).

Almost surely, 2^33125830 is an apocalyptic number.

33125830 is a deficient number, since it is larger than the sum of its proper divisors (29211770).

33125830 is a wasteful number, since it uses less digits than its factorization.

33125830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 33125830 is about 5755.5043219513. The cubic root of 33125830 is about 321.1605967813.

Adding to 33125830 its reverse (3852133), we get a palindrome (36977963).

The spelling of 33125830 in words is "thirty-three million, one hundred twenty-five thousand, eight hundred thirty".