1025361013 has 2 divisors, whose sum is σ = 1025361014. Its totient is φ = 1025361012.

The previous prime is 1025360981. The next prime is 1025361023. The reversal of 1025361013 is 3101635201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 958088209 + 67272804 = 30953^2 + 8202^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025361013 - 2⁵ = 1025360981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025361023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512680506 + 512680507.

It is an arithmetic number, because the mean of its divisors is an integer number (512680507).

Almost surely, 2^1025361013 is an apocalyptic number.

It is an amenable number.

1025361013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025361013 is an equidigital number, since it uses as much as digits as its factorization.

1025361013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1025361013 is about 32021.2587666381. The cubic root of 1025361013 is about 1008.3831966295.

Adding to 1025361013 its reverse (3101635201), we get a palindrome (4126996214).

The spelling of 1025361013 in words is "one billion, twenty-five million, three hundred sixty-one thousand, thirteen".