1945000529 has 2 divisors, whose sum is σ = 1945000530. Its totient is φ = 1945000528.

The previous prime is 1945000501. The next prime is 1945000537. The reversal of 1945000529 is 9250005491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1940226304 + 4774225 = 44048^2 + 2185^2 .

It is a cyclic number.

It is not a de Polignac number, because 1945000529 - 2²⁰ = 1943951953 is a prime.

It is not a weakly prime, because it can be changed into another prime (1945000579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972500264 + 972500265.

It is an arithmetic number, because the mean of its divisors is an integer number (972500265).

Almost surely, 2^1945000529 is an apocalyptic number.

It is an amenable number.

1945000529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1945000529 is an equidigital number, since it uses as much as digits as its factorization.

1945000529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 1945000529 is about 44102.1601398390. The cubic root of 1945000529 is about 1248.2643707082.

The spelling of 1945000529 in words is "one billion, nine hundred forty-five million, five hundred twenty-nine", and thus it is an aban number.