191479053 has 8 divisors (see below), whose sum is σ = 255436416. Its totient is φ = 127587200.

The previous prime is 191479051. The next prime is 191479063. The reversal of 191479053 is 350974191.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 191479053 - 2¹ = 191479051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191479051) 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, 9093 + ... + 21578.

It is an arithmetic number, because the mean of its divisors is an integer number (31929552).

Almost surely, 2^191479053 is an apocalyptic number.

It is an amenable number.

191479053 is a deficient number, since it is larger than the sum of its proper divisors (63957363).

191479053 is a wasteful number, since it uses less digits than its factorization.

191479053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32755.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 191479053 is about 13837.5956365259. The cubic root of 191479053 is about 576.3775946942.

The spelling of 191479053 in words is "one hundred ninety-one million, four hundred seventy-nine thousand, fifty-three".