190834425 has 36 divisors (see below), whose sum is σ = 346934640. Its totient is φ = 100251360.

The previous prime is 190834411. The next prime is 190834451. The reversal of 190834425 is 524438091.

It is not a de Polignac number, because 190834425 - 2¹¹ = 190832377 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 190834425.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8746 + ... + 21404.

Almost surely, 2^190834425 is an apocalyptic number.

190834425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

190834425 is a deficient number, since it is larger than the sum of its proper divisors (156100215).

190834425 is a wasteful number, since it uses less digits than its factorization.

190834425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12742 (or 12734 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 190834425 is about 13814.2833690351. The cubic root of 190834425 is about 575.7300619557.

The spelling of 190834425 in words is "one hundred ninety million, eight hundred thirty-four thousand, four hundred twenty-five".