2015535401 has 16 divisors (see below), whose sum is σ = 2273481216. Its totient is φ = 1770240000.

The previous prime is 2015535383. The next prime is 2015535413. The reversal of 2015535401 is 1045355102.

It is a cyclic number.

It is not a de Polignac number, because 2015535401 - 2⁶ = 2015535337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2015535101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213971 + ... + 223191.

It is an arithmetic number, because the mean of its divisors is an integer number (142092576).

Almost surely, 2^2015535401 is an apocalyptic number.

It is an amenable number.

2015535401 is a deficient number, since it is larger than the sum of its proper divisors (257945815).

2015535401 is a wasteful number, since it uses less digits than its factorization.

2015535401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9904.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2015535401 is about 44894.7146221022. The cubic root of 2015535401 is about 1263.1748692730.

The spelling of 2015535401 in words is "two billion, fifteen million, five hundred thirty-five thousand, four hundred one".