1252662616 has 32 divisors (see below), whose sum is σ = 2452744800. Its totient is φ = 598639360.

The previous prime is 1252662557. The next prime is 1252662617. The reversal of 1252662616 is 6162662521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252662617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447750 + ... + 450538.

It is an arithmetic number, because the mean of its divisors is an integer number (76648275).

Almost surely, 2^1252662616 is an apocalyptic number.

It is an amenable number.

1252662616 is a deficient number, since it is larger than the sum of its proper divisors (1200082184).

1252662616 is a wasteful number, since it uses less digits than its factorization.

1252662616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5259 (or 5255 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 1252662616 is about 35392.9741050395. The cubic root of 1252662616 is about 1077.9816602220.

The spelling of 1252662616 in words is "one billion, two hundred fifty-two million, six hundred sixty-two thousand, six hundred sixteen".