1252164305 has 16 divisors (see below), whose sum is σ = 1733931264. Its totient is φ = 850288320.

The previous prime is 1252164293. The next prime is 1252164337. The reversal of 1252164305 is 5034612521.

1252164305 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1252164305 - 2⁴ = 1252164289 is a prime.

It is a super-2 number, since 2×1252164305² = 3135830893432266050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170066 + ... + 177275.

It is an arithmetic number, because the mean of its divisors is an integer number (108370704).

Almost surely, 2^1252164305 is an apocalyptic number.

It is an amenable number.

1252164305 is a deficient number, since it is larger than the sum of its proper divisors (481766959).

1252164305 is a wasteful number, since it uses less digits than its factorization.

1252164305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347456.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1252164305 is about 35385.9337166620. The cubic root of 1252164305 is about 1077.8387003760.

Adding to 1252164305 its reverse (5034612521), we get a palindrome (6286776826).

The spelling of 1252164305 in words is "one billion, two hundred fifty-two million, one hundred sixty-four thousand, three hundred five".