1252432433 has 4 divisors (see below), whose sum is σ = 1431351360. Its totient is φ = 1073513508.

The previous prime is 1252432429. The next prime is 1252432439. The reversal of 1252432433 is 3342342521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1252432433 - 2² = 1252432429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1252432396 and 1252432405.

It is not an unprimeable number, because it can be changed into a prime (1252432439) 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, 89459453 + ... + 89459466.

It is an arithmetic number, because the mean of its divisors is an integer number (357837840).

Almost surely, 2^1252432433 is an apocalyptic number.

It is an amenable number.

1252432433 is a deficient number, since it is larger than the sum of its proper divisors (178918927).

1252432433 is an equidigital number, since it uses as much as digits as its factorization.

1252432433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178918926.

The product of its digits is 17280, while the sum is 29.

The square root of 1252432433 is about 35389.7221379315. The cubic root of 1252432433 is about 1077.9156280094.

Adding to 1252432433 its reverse (3342342521), we get a palindrome (4594774954).

The spelling of 1252432433 in words is "one billion, two hundred fifty-two million, four hundred thirty-two thousand, four hundred thirty-three".