1045366013 has 4 divisors (see below), whose sum is σ = 1046237628. Its totient is φ = 1044494400.

The previous prime is 1045365949. The next prime is 1045366019. The reversal of 1045366013 is 3106635401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 268238884 + 777127129 = 16378^2 + 27877^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045366013 - 2⁶ = 1045365949 is a prime.

It is a super-2 number, since 2×1045366013² = 2185580202271032338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045366019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434006 + ... + 436407.

It is an arithmetic number, because the mean of its divisors is an integer number (261559407).

Almost surely, 2^1045366013 is an apocalyptic number.

It is an amenable number.

1045366013 is a deficient number, since it is larger than the sum of its proper divisors (871615).

1045366013 is an equidigital number, since it uses as much as digits as its factorization.

1045366013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871614.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1045366013 is about 32332.1204531964. The cubic root of 1045366013 is about 1014.8989239866.

The spelling of 1045366013 in words is "one billion, forty-five million, three hundred sixty-six thousand, thirteen".