1351750073 has 2 divisors, whose sum is σ = 1351750074. Its totient is φ = 1351750072.

The previous prime is 1351750063. The next prime is 1351750097. The reversal of 1351750073 is 3700571531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 967707664 + 384042409 = 31108^2 + 19597^2 .

It is an emirp because it is prime and its reverse (3700571531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1351750073 - 2²⁰ = 1350701497 is a prime.

It is not a weakly prime, because it can be changed into another prime (1351750063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675875036 + 675875037.

It is an arithmetic number, because the mean of its divisors is an integer number (675875037).

Almost surely, 2^1351750073 is an apocalyptic number.

It is an amenable number.

1351750073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351750073 is an equidigital number, since it uses as much as digits as its factorization.

1351750073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11025, while the sum is 32.

The square root of 1351750073 is about 36766.1539054604. The cubic root of 1351750073 is about 1105.6868229302.

The spelling of 1351750073 in words is "one billion, three hundred fifty-one million, seven hundred fifty thousand, seventy-three".