190693025 has 24 divisors (see below), whose sum is σ = 250117920. Its totient is φ = 143821440.

The previous prime is 190693021. The next prime is 190693033. The reversal of 190693025 is 520396091.

It is not a de Polignac number, because 190693025 - 2² = 190693021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (190693021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109814 + ... + 111536.

It is an arithmetic number, because the mean of its divisors is an integer number (10421580).

Almost surely, 2^190693025 is an apocalyptic number.

It is an amenable number.

190693025 is a deficient number, since it is larger than the sum of its proper divisors (59424895).

190693025 is a wasteful number, since it uses less digits than its factorization.

190693025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985 (or 1980 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 190693025 is about 13809.1645293986. The cubic root of 190693025 is about 575.5878298511.

The spelling of 190693025 in words is "one hundred ninety million, six hundred ninety-three thousand, twenty-five".