1424245393 has 4 divisors (see below), whose sum is σ = 1424978100. Its totient is φ = 1423512688.

The previous prime is 1424245387. The next prime is 1424245421. The reversal of 1424245393 is 3935424241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 603537489 + 820707904 = 24567^2 + 28648^2 .

It is a cyclic number.

It is not a de Polignac number, because 1424245393 - 2²¹ = 1422148241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1424245313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363430 + ... + 367327.

It is an arithmetic number, because the mean of its divisors is an integer number (356244525).

Almost surely, 2^1424245393 is an apocalyptic number.

It is an amenable number.

1424245393 is a deficient number, since it is larger than the sum of its proper divisors (732707).

1424245393 is an equidigital number, since it uses as much as digits as its factorization.

1424245393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732706.

The product of its digits is 103680, while the sum is 37.

The square root of 1424245393 is about 37739.1758389078. The cubic root of 1424245393 is about 1125.1098870110.

The spelling of 1424245393 in words is "one billion, four hundred twenty-four million, two hundred forty-five thousand, three hundred ninety-three".