190842025 has 24 divisors (see below), whose sum is σ = 260751168. Its totient is φ = 137400000.

The previous prime is 190842007. The next prime is 190842053. The reversal of 190842025 is 520248091.

It is not a de Polignac number, because 190842025 - 2⁷ = 190841897 is a prime.

It is a super-2 number, since 2×190842025² = 72841357012201250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24340 + ... + 31210.

It is an arithmetic number, because the mean of its divisors is an integer number (10864632).

Almost surely, 2^190842025 is an apocalyptic number.

It is an amenable number.

190842025 is a deficient number, since it is larger than the sum of its proper divisors (69909143).

190842025 is a wasteful number, since it uses less digits than its factorization.

190842025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6993 (or 6988 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 190842025 is about 13814.5584439026. The cubic root of 190842025 is about 575.7377046900.

The spelling of 190842025 in words is "one hundred ninety million, eight hundred forty-two thousand, twenty-five".