1013800263 has 32 divisors (see below), whose sum is σ = 1578909696. Its totient is φ = 566677728.

The previous prime is 1013800261. The next prime is 1013800273. The reversal of 1013800263 is 3620083101.

It is not a de Polignac number, because 1013800263 - 2¹ = 1013800261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013800261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176706 + ... + 182352.

It is an arithmetic number, because the mean of its divisors is an integer number (49340928).

Almost surely, 2^1013800263 is an apocalyptic number.

1013800263 is a deficient number, since it is larger than the sum of its proper divisors (565109433).

1013800263 is a wasteful number, since it uses less digits than its factorization.

1013800263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5843.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1013800263 is about 31840.2302598458. The cubic root of 1013800263 is about 1004.5790876184.

Adding to 1013800263 its reverse (3620083101), we get a palindrome (4633883364).

The spelling of 1013800263 in words is "one billion, thirteen million, eight hundred thousand, two hundred sixty-three".