1826320537 has 2 divisors, whose sum is σ = 1826320538. Its totient is φ = 1826320536.

The previous prime is 1826320511. The next prime is 1826320547. The reversal of 1826320537 is 7350236281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1755945216 + 70375321 = 41904^2 + 8389^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1826320537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1826320496 and 1826320505.

It is not a weakly prime, because it can be changed into another prime (1826320547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 913160268 + 913160269.

It is an arithmetic number, because the mean of its divisors is an integer number (913160269).

Almost surely, 2^1826320537 is an apocalyptic number.

It is an amenable number.

1826320537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1826320537 is an equidigital number, since it uses as much as digits as its factorization.

1826320537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 1826320537 is about 42735.4716482690. The cubic root of 1826320537 is about 1222.3408735356.

The spelling of 1826320537 in words is "one billion, eight hundred twenty-six million, three hundred twenty thousand, five hundred thirty-seven".