201315239 has 4 divisors (see below), whose sum is σ = 204073056. Its totient is φ = 198557424.

The previous prime is 201315227. The next prime is 201315287. The reversal of 201315239 is 932513102.

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 201315239 - 2⁸ = 201314983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201315739) 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, 1378799 + ... + 1378944.

It is an arithmetic number, because the mean of its divisors is an integer number (51018264).

Almost surely, 2^201315239 is an apocalyptic number.

201315239 is a deficient number, since it is larger than the sum of its proper divisors (2757817).

201315239 is an equidigital number, since it uses as much as digits as its factorization.

201315239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757816.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 201315239 is about 14188.5601454129. The cubic root of 201315239 is about 586.0826751847.

The spelling of 201315239 in words is "two hundred one million, three hundred fifteen thousand, two hundred thirty-nine".