1252667673 has 32 divisors (see below), whose sum is σ = 1943596800. Its totient is φ = 806274000.

The previous prime is 1252667639. The next prime is 1252667683. The reversal of 1252667673 is 3767662521.

1252667673 is a `hidden beast` number, since 1 + 2 + 526 + 67 + 67 + 3 = 666.

It is not a de Polignac number, because 1252667673 - 2¹³ = 1252659481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1252667683) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 53548 + ... + 73298.

It is an arithmetic number, because the mean of its divisors is an integer number (60737400).

Almost surely, 2^1252667673 is an apocalyptic number.

It is an amenable number.

1252667673 is a deficient number, since it is larger than the sum of its proper divisors (690929127).

1252667673 is an frugal number, since it uses more digits than its factorization.

1252667673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19801 (or 19783 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 1252667673 is about 35393.0455457001. The cubic root of 1252667673 is about 1077.9831108243.

The spelling of 1252667673 in words is "one billion, two hundred fifty-two million, six hundred sixty-seven thousand, six hundred seventy-three".