190042625 has 8 divisors (see below), whose sum is σ = 237173352. Its totient is φ = 152034000.

The previous prime is 190042613. The next prime is 190042627. The reversal of 190042625 is 526240091.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7360369 + 182682256 = 2713^2 + 13516^2 .

It is not a de Polignac number, because 190042625 - 2¹⁶ = 189977089 is a prime.

It is a super-2 number, since 2×190042625² = 72232398633781250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190042627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760046 + ... + 760295.

It is an arithmetic number, because the mean of its divisors is an integer number (29646669).

Almost surely, 2^190042625 is an apocalyptic number.

It is an amenable number.

190042625 is a deficient number, since it is larger than the sum of its proper divisors (47130727).

190042625 is an equidigital number, since it uses as much as digits as its factorization.

190042625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520356 (or 1520346 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 190042625 is about 13785.5948366402. The cubic root of 190042625 is about 574.9326953358.

The spelling of 190042625 in words is "one hundred ninety million, forty-two thousand, six hundred twenty-five".