2015742601 has 2 divisors, whose sum is σ = 2015742602. Its totient is φ = 2015742600.

The previous prime is 2015742571. The next prime is 2015742653. The reversal of 2015742601 is 1062475102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1826707600 + 189035001 = 42740^2 + 13749^2 .

It is a cyclic number.

It is not a de Polignac number, because 2015742601 - 2⁵ = 2015742569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2015742601.

It is not a weakly prime, because it can be changed into another prime (2015742671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007871300 + 1007871301.

It is an arithmetic number, because the mean of its divisors is an integer number (1007871301).

Almost surely, 2^2015742601 is an apocalyptic number.

It is an amenable number.

2015742601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015742601 is an equidigital number, since it uses as much as digits as its factorization.

2015742601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2015742601 is about 44897.0221841048. The cubic root of 2015742601 is about 1263.2181532005.

The spelling of 2015742601 in words is "two billion, fifteen million, seven hundred forty-two thousand, six hundred one".