1230525073 has 2 divisors, whose sum is σ = 1230525074. Its totient is φ = 1230525072.

The previous prime is 1230525031. The next prime is 1230525077. The reversal of 1230525073 is 3705250321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1170803089 + 59721984 = 34217^2 + 7728^2 .

It is an emirp because it is prime and its reverse (3705250321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230525073 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230525077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615262536 + 615262537.

It is an arithmetic number, because the mean of its divisors is an integer number (615262537).

Almost surely, 2^1230525073 is an apocalyptic number.

It is an amenable number.

1230525073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230525073 is an equidigital number, since it uses as much as digits as its factorization.

1230525073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 1230525073 is about 35078.8408160817. The cubic root of 1230525073 is about 1071.5937100287.

Adding to 1230525073 its reverse (3705250321), we get a palindrome (4935775394).

The spelling of 1230525073 in words is "one billion, two hundred thirty million, five hundred twenty-five thousand, seventy-three".