1046537813 has 2 divisors, whose sum is σ = 1046537814. Its totient is φ = 1046537812.

The previous prime is 1046537809. The next prime is 1046537839. The reversal of 1046537813 is 3187356401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 590587204 + 455950609 = 24302^2 + 21353^2 .

It is a cyclic number.

It is not a de Polignac number, because 1046537813 - 2² = 1046537809 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1046530813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523268906 + 523268907.

It is an arithmetic number, because the mean of its divisors is an integer number (523268907).

Almost surely, 2^1046537813 is an apocalyptic number.

It is an amenable number.

1046537813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1046537813 is an equidigital number, since it uses as much as digits as its factorization.

1046537813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1046537813 is about 32350.2366761049. The cubic root of 1046537813 is about 1015.2779983827.

The spelling of 1046537813 in words is "one billion, forty-six million, five hundred thirty-seven thousand, eight hundred thirteen".