190262561 has 4 divisors (see below), whose sum is σ = 200276400. Its totient is φ = 180248724.

The previous prime is 190262557. The next prime is 190262563. The reversal of 190262561 is 165262091.

It is a happy number.

190262561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 190262561 - 2² = 190262557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190262563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5006891 + ... + 5006928.

It is an arithmetic number, because the mean of its divisors is an integer number (50069100).

Almost surely, 2^190262561 is an apocalyptic number.

It is an amenable number.

190262561 is a deficient number, since it is larger than the sum of its proper divisors (10013839).

190262561 is a wasteful number, since it uses less digits than its factorization.

190262561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10013838.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 190262561 is about 13793.5695525125. The cubic root of 190262561 is about 575.1543993686.

The spelling of 190262561 in words is "one hundred ninety million, two hundred sixty-two thousand, five hundred sixty-one".