1252217383 has 2 divisors, whose sum is σ = 1252217384. Its totient is φ = 1252217382.

The previous prime is 1252217377. The next prime is 1252217413. The reversal of 1252217383 is 3837122521.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252217383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252287383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626108691 + 626108692.

It is an arithmetic number, because the mean of its divisors is an integer number (626108692).

Almost surely, 2^1252217383 is an apocalyptic number.

1252217383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252217383 is an equidigital number, since it uses as much as digits as its factorization.

1252217383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 34.

The square root of 1252217383 is about 35386.6836959894. The cubic root of 1252217383 is about 1077.8539296645.

The spelling of 1252217383 in words is "one billion, two hundred fifty-two million, two hundred seventeen thousand, three hundred eighty-three".