201580441 has 16 divisors (see below), whose sum is σ = 224380800. Its totient is φ = 180119808.

The previous prime is 201580411. The next prime is 201580471. The reversal of 201580441 is 144085102.

It is an interprime number because it is at equal distance from previous prime (201580411) and next prime (201580471).

It is not a de Polignac number, because 201580441 - 2²¹ = 199483289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201580411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52495 + ... + 56203.

It is an arithmetic number, because the mean of its divisors is an integer number (14023800).

Almost surely, 2^201580441 is an apocalyptic number.

It is an amenable number.

201580441 is a deficient number, since it is larger than the sum of its proper divisors (22800359).

201580441 is a wasteful number, since it uses less digits than its factorization.

201580441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 201580441 is about 14197.9026972296. The cubic root of 201580441 is about 586.3399203167.

The spelling of 201580441 in words is "two hundred one million, five hundred eighty thousand, four hundred forty-one".