1015804241 has 2 divisors, whose sum is σ = 1015804242. Its totient is φ = 1015804240.

The previous prime is 1015804211. The next prime is 1015804243. The reversal of 1015804241 is 1424085101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 776792641 + 239011600 = 27871^2 + 15460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1015804241 is a prime.

Together with 1015804243, 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 1015804241.

It is not a weakly prime, because it can be changed into another prime (1015804243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507902120 + 507902121.

It is an arithmetic number, because the mean of its divisors is an integer number (507902121).

Almost surely, 2^1015804241 is an apocalyptic number.

It is an amenable number.

1015804241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015804241 is an equidigital number, since it uses as much as digits as its factorization.

1015804241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 1015804241 is about 31871.6840000650. The cubic root of 1015804241 is about 1005.2405687971.

Adding to 1015804241 its reverse (1424085101), we get a palindrome (2439889342).

The spelling of 1015804241 in words is "one billion, fifteen million, eight hundred four thousand, two hundred forty-one".