1250749273 has 2 divisors, whose sum is σ = 1250749274. Its totient is φ = 1250749272.

The previous prime is 1250749267. The next prime is 1250749333. The reversal of 1250749273 is 3729470521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 977937984 + 272811289 = 31272^2 + 16517^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1250749273 is a prime.

It is not a weakly prime, because it can be changed into another prime (1250749373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625374636 + 625374637.

It is an arithmetic number, because the mean of its divisors is an integer number (625374637).

Almost surely, 2^1250749273 is an apocalyptic number.

It is an amenable number.

1250749273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250749273 is an equidigital number, since it uses as much as digits as its factorization.

1250749273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 1250749273 is about 35365.9337922810. The cubic root of 1250749273 is about 1077.4325366575.

The spelling of 1250749273 in words is "one billion, two hundred fifty million, seven hundred forty-nine thousand, two hundred seventy-three".