201082587 has 4 divisors (see below), whose sum is σ = 268110120. Its totient is φ = 134055056.

The previous prime is 201082559. The next prime is 201082597. The reversal of 201082587 is 785280102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201082587 - 2⁷ = 201082459 is a prime.

It is a super-2 number, since 2×201082587² = 80868413589225138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201082597) 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, 33513762 + ... + 33513767.

It is an arithmetic number, because the mean of its divisors is an integer number (67027530).

Almost surely, 2^201082587 is an apocalyptic number.

201082587 is a deficient number, since it is larger than the sum of its proper divisors (67027533).

201082587 is an equidigital number, since it uses as much as digits as its factorization.

201082587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67027532.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 201082587 is about 14180.3591985535. The cubic root of 201082587 is about 585.8568173593.

The spelling of 201082587 in words is "two hundred one million, eighty-two thousand, five hundred eighty-seven".