2015633 has 2 divisors, whose sum is σ = 2015634. Its totient is φ = 2015632.

The previous prime is 2015627. The next prime is 2015669. The reversal of 2015633 is 3365102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2007889 + 7744 = 1417^2 + 88^2 .

It is a cyclic number.

It is not a de Polignac number, because 2015633 - 2¹⁰ = 2014609 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 6.

It is not a weakly prime, because it can be changed into another prime (2015033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007816 + 1007817.

It is an arithmetic number, because the mean of its divisors is an integer number (1007817).

2^2015633 is an apocalyptic number.

It is an amenable number.

2015633 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015633 is an equidigital number, since it uses as much as digits as its factorization.

2015633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 2015633 is about 1419.7299038902. The cubic root of 2015633 is about 126.3195258002.

The spelling of 2015633 in words is "two million, fifteen thousand, six hundred thirty-three".