1252332436 has 6 divisors (see below), whose sum is σ = 2191581770. Its totient is φ = 626166216.

The previous prime is 1252332397. The next prime is 1252332461. The reversal of 1252332436 is 6342332521.

It can be written as a sum of positive squares in only one way, i.e., 971568900 + 280763536 = 31170^2 + 16756^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1252332398 and 1252332407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156541551 + ... + 156541558.

Almost surely, 2^1252332436 is an apocalyptic number.

It is an amenable number.

1252332436 is a deficient number, since it is larger than the sum of its proper divisors (939249334).

1252332436 is a wasteful number, since it uses less digits than its factorization.

1252332436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313083113 (or 313083111 counting only the distinct ones).

The product of its digits is 25920, while the sum is 31.

The square root of 1252332436 is about 35388.3093125399. The cubic root of 1252332436 is about 1077.8869395162.

Adding to 1252332436 its reverse (6342332521), we get a palindrome (7594664957).

The spelling of 1252332436 in words is "one billion, two hundred fifty-two million, three hundred thirty-two thousand, four hundred thirty-six".