72250583513 has 2 divisors, whose sum is σ = 72250583514. Its totient is φ = 72250583512.

The previous prime is 72250583459. The next prime is 72250583539. The reversal of 72250583513 is 31538505227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51953452489 + 20297131024 = 227933^2 + 142468^2 .

It is a cyclic number.

It is not a de Polignac number, because 72250583513 - 2¹⁸ = 72250321369 is a prime.

It is not a weakly prime, because it can be changed into another prime (72250580513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36125291756 + 36125291757.

It is an arithmetic number, because the mean of its divisors is an integer number (36125291757).

Almost surely, 2^72250583513 is an apocalyptic number.

It is an amenable number.

72250583513 is a deficient number, since it is larger than the sum of its proper divisors (1).

72250583513 is an equidigital number, since it uses as much as digits as its factorization.

72250583513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 72250583513 in words is "seventy-two billion, two hundred fifty million, five hundred eighty-three thousand, five hundred thirteen".