1013206541 has 2 divisors, whose sum is σ = 1013206542. Its totient is φ = 1013206540.

The previous prime is 1013206517. The next prime is 1013206561. The reversal of 1013206541 is 1456023101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 819161641 + 194044900 = 28621^2 + 13930^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1013206541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013206501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506603270 + 506603271.

It is an arithmetic number, because the mean of its divisors is an integer number (506603271).

Almost surely, 2^1013206541 is an apocalyptic number.

It is an amenable number.

1013206541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013206541 is an equidigital number, since it uses as much as digits as its factorization.

1013206541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1013206541 is about 31830.9054379545. The cubic root of 1013206541 is about 1004.3829420863.

Adding to 1013206541 its reverse (1456023101), we get a palindrome (2469229642).

The spelling of 1013206541 in words is "one billion, thirteen million, two hundred six thousand, five hundred forty-one".