1252338579 has 48 divisors (see below), whose sum is σ = 1899849952. Its totient is φ = 794271744.

The previous prime is 1252338559. The next prime is 1252338587. The reversal of 1252338579 is 9758332521.

1252338579 is a `hidden beast` number, since 1 + 25 + 23 + 38 + 579 = 666.

It is not a de Polignac number, because 1252338579 - 2⁸ = 1252338323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252338539) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2740119 + ... + 2740575.

Almost surely, 2^1252338579 is an apocalyptic number.

1252338579 is a deficient number, since it is larger than the sum of its proper divisors (647511373).

1252338579 is a wasteful number, since it uses less digits than its factorization.

1252338579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 673 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 1252338579 is about 35388.3961066336. The cubic root of 1252338579 is about 1077.8887019472. Note that the first 3 decimals are identical.

The spelling of 1252338579 in words is "one billion, two hundred fifty-two million, three hundred thirty-eight thousand, five hundred seventy-nine".