190825871 has 8 divisors (see below), whose sum is σ = 199701600. Its totient is φ = 181998432.

The previous prime is 190825853. The next prime is 190825891. The reversal of 190825871 is 178528091.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190825871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190825891) 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, 3860 + ... + 19913.

It is an arithmetic number, because the mean of its divisors is an integer number (24962700).

Almost surely, 2^190825871 is an apocalyptic number.

190825871 is a deficient number, since it is larger than the sum of its proper divisors (8875729).

190825871 is a wasteful number, since it uses less digits than its factorization.

190825871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24145.

The product of its (nonzero) digits is 40320, while the sum is 41.

The square root of 190825871 is about 13813.9737584809. The cubic root of 190825871 is about 575.7214596145.

The spelling of 190825871 in words is "one hundred ninety million, eight hundred twenty-five thousand, eight hundred seventy-one".