1013256577 has 2 divisors, whose sum is σ = 1013256578. Its totient is φ = 1013256576.

The previous prime is 1013256553. The next prime is 1013256589. The reversal of 1013256577 is 7756523101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 884229696 + 129026881 = 29736^2 + 11359^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1013256577 is a prime.

It is not a weakly prime, because it can be changed into another prime (1013256547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506628288 + 506628289.

It is an arithmetic number, because the mean of its divisors is an integer number (506628289).

Almost surely, 2^1013256577 is an apocalyptic number.

It is an amenable number.

1013256577 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013256577 is an equidigital number, since it uses as much as digits as its factorization.

1013256577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 1013256577 is about 31831.6913939552. The cubic root of 1013256577 is about 1004.3994752332.

Adding to 1013256577 its reverse (7756523101), we get a palindrome (8769779678).

The spelling of 1013256577 in words is "one billion, thirteen million, two hundred fifty-six thousand, five hundred seventy-seven".