201348815 has 4 divisors (see below), whose sum is σ = 241618584. Its totient is φ = 161079048.

The previous prime is 201348811. The next prime is 201348821. The reversal of 201348815 is 518843102.

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 201348815 - 2² = 201348811 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 (201348811) 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, 20134877 + ... + 20134886.

It is an arithmetic number, because the mean of its divisors is an integer number (60404646).

Almost surely, 2^201348815 is an apocalyptic number.

201348815 is a deficient number, since it is larger than the sum of its proper divisors (40269769).

201348815 is an equidigital number, since it uses as much as digits as its factorization.

201348815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40269768.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 201348815 is about 14189.7433028226. The cubic root of 201348815 is about 586.1152562883.

The spelling of 201348815 in words is "two hundred one million, three hundred forty-eight thousand, eight hundred fifteen".