30825190 has 16 divisors (see below), whose sum is σ = 60529680. Its totient is φ = 11209120.

The previous prime is 30825187. The next prime is 30825211. The reversal of 30825190 is 9152803.

It is a super-2 number, since 2×30825190² = 1900384677072200, which contains 22 as substring.

It is a congruent number.

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, 140005 + ... + 140224.

It is an arithmetic number, because the mean of its divisors is an integer number (3783105).

Almost surely, 2^30825190 is an apocalyptic number.

30825190 is a deficient number, since it is larger than the sum of its proper divisors (29704490).

30825190 is a wasteful number, since it uses less digits than its factorization.

30825190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280247.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 30825190 is about 5552.0437678390. The cubic root of 30825190 is about 313.5464736125.

Adding to 30825190 its reverse (9152803), we get a palindrome (39977993).

The spelling of 30825190 in words is "thirty million, eight hundred twenty-five thousand, one hundred ninety".