201594461 has 4 divisors (see below), whose sum is σ = 202338624. Its totient is φ = 200850300.

The previous prime is 201594451. The next prime is 201594473. The reversal of 201594461 is 164495102.

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 201594461 - 2¹⁰ = 201593437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201594401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371675 + ... + 372216.

It is an arithmetic number, because the mean of its divisors is an integer number (50584656).

Almost surely, 2^201594461 is an apocalyptic number.

It is an amenable number.

201594461 is a deficient number, since it is larger than the sum of its proper divisors (744163).

201594461 is an equidigital number, since it uses as much as digits as its factorization.

201594461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744162.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 201594461 is about 14198.3964235402. The cubic root of 201594461 is about 586.3535133932.

The spelling of 201594461 in words is "two hundred one million, five hundred ninety-four thousand, four hundred sixty-one".