201015847 has 2 divisors, whose sum is σ = 201015848. Its totient is φ = 201015846.

The previous prime is 201015821. The next prime is 201015887. The reversal of 201015847 is 748510102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201015847 - 2²⁷ = 66798119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201015887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100507923 + 100507924.

It is an arithmetic number, because the mean of its divisors is an integer number (100507924).

Almost surely, 2^201015847 is an apocalyptic number.

201015847 is a deficient number, since it is larger than the sum of its proper divisors (1).

201015847 is an equidigital number, since it uses as much as digits as its factorization.

201015847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 201015847 is about 14178.0057483413. The cubic root of 201015847 is about 585.7919942250.

Adding to 201015847 its reverse (748510102), we get a palindrome (949525949).

The spelling of 201015847 in words is "two hundred one million, fifteen thousand, eight hundred forty-seven".