1252552612 has 6 divisors (see below), whose sum is σ = 2191967078. Its totient is φ = 626276304.

The previous prime is 1252552591. The next prime is 1252552619. The reversal of 1252552612 is 2162552521.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1246372416 + 6180196 = 35304^2 + 2486^2 .

It is not an unprimeable number, because it can be changed into a prime (1252552619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156569073 + ... + 156569080.

Almost surely, 2^1252552612 is an apocalyptic number.

It is an amenable number.

1252552612 is a deficient number, since it is larger than the sum of its proper divisors (939414466).

1252552612 is a wasteful number, since it uses less digits than its factorization.

1252552612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313138157 (or 313138155 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 1252552612 is about 35391.4200336748. The cubic root of 1252552612 is about 1077.9501045676.

Subtracting 1252552612 from its reverse (2162552521), we obtain a palindrome (909999909).

The spelling of 1252552612 in words is "one billion, two hundred fifty-two million, five hundred fifty-two thousand, six hundred twelve".