190025530 has 16 divisors (see below), whose sum is σ = 342514944. Its totient is φ = 75906000.

The previous prime is 190025519. The next prime is 190025531. The reversal of 190025530 is 35520091.

It is a super-2 number, since 2×190025530² = 72219404103561800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190025495 and 190025504.

It is not an unprimeable number, because it can be changed into a prime (190025531) 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, 5142 + ... + 20161.

It is an arithmetic number, because the mean of its divisors is an integer number (21407184).

Almost surely, 2^190025530 is an apocalyptic number.

190025530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190025530 is a deficient number, since it is larger than the sum of its proper divisors (152489414).

190025530 is a wasteful number, since it uses less digits than its factorization.

190025530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26061.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 190025530 is about 13784.9747914169. The cubic root of 190025530 is about 574.9154557487.

The spelling of 190025530 in words is "one hundred ninety million, twenty-five thousand, five hundred thirty".