2015024381 has 2 divisors, whose sum is σ = 2015024382. Its totient is φ = 2015024380.

The previous prime is 2015024353. The next prime is 2015024383. The reversal of 2015024381 is 1834205102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1109556100 + 905468281 = 33310^2 + 30091^2 .

It is a cyclic number.

It is not a de Polignac number, because 2015024381 - 2¹⁴ = 2015007997 is a prime.

It is a super-2 number, since 2×2015024381² = 8120646512048866322, which contains 22 as substring.

Together with 2015024383, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2015024381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2015024383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007512190 + 1007512191.

It is an arithmetic number, because the mean of its divisors is an integer number (1007512191).

Almost surely, 2^2015024381 is an apocalyptic number.

It is an amenable number.

2015024381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015024381 is an equidigital number, since it uses as much as digits as its factorization.

2015024381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2015024381 is about 44889.0229454819. The cubic root of 2015024381 is about 1263.0681048895.

Adding to 2015024381 its reverse (1834205102), we get a palindrome (3849229483).

The spelling of 2015024381 in words is "two billion, fifteen million, twenty-four thousand, three hundred eighty-one".