2015024401 has 4 divisors (see below), whose sum is σ = 2170026292. Its totient is φ = 1860022512.

The previous prime is 2015024383. The next prime is 2015024443. The reversal of 2015024401 is 1044205102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 198133776 + 1816890625 = 14076^2 + 42625^2 .

It is a cyclic number.

It is not a de Polignac number, because 2015024401 - 2¹¹ = 2015022353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2015024471) 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, 77500926 + ... + 77500951.

It is an arithmetic number, because the mean of its divisors is an integer number (542506573).

Almost surely, 2^2015024401 is an apocalyptic number.

It is an amenable number.

2015024401 is a deficient number, since it is larger than the sum of its proper divisors (155001891).

2015024401 is a wasteful number, since it uses less digits than its factorization.

2015024401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155001890.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2015024401 is about 44889.0231682535. The cubic root of 2015024401 is about 1263.0681090683.

Adding to 2015024401 its reverse (1044205102), we get a palindrome (3059229503).

It can be divided in two parts, 20150 and 24401, that added together give a triangular number (44551 = T₂₉₈).

The spelling of 2015024401 in words is "two billion, fifteen million, twenty-four thousand, four hundred one".