190525430 has 8 divisors (see below), whose sum is σ = 342945792. Its totient is φ = 76210168.

The previous prime is 190525427. The next prime is 190525463. The reversal of 190525430 is 34525091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×190525430³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190525393 and 190525402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9526262 + ... + 9526281.

It is an arithmetic number, because the mean of its divisors is an integer number (42868224).

Almost surely, 2^190525430 is an apocalyptic number.

190525430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190525430 is a deficient number, since it is larger than the sum of its proper divisors (152420362).

190525430 is a wasteful number, since it uses less digits than its factorization.

190525430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19052550.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 190525430 is about 13803.0949428018. The cubic root of 190525430 is about 575.4191575107.

The spelling of 190525430 in words is "one hundred ninety million, five hundred twenty-five thousand, four hundred thirty".