2173456252 has 48 divisors (see below), whose sum is σ = 4290177024. Its totient is φ = 954504000.

The previous prime is 2173456249. The next prime is 2173456253. The reversal of 2173456252 is 2526543712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173456253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1340002 + ... + 1341622.

It is an arithmetic number, because the mean of its divisors is an integer number (89378688).

Almost surely, 2^2173456252 is an apocalyptic number.

2173456252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2173456252 is a deficient number, since it is larger than the sum of its proper divisors (2116720772).

2173456252 is a wasteful number, since it uses less digits than its factorization.

2173456252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650 (or 2648 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The square root of 2173456252 is about 46620.3416117900. The cubic root of 2173456252 is about 1295.3395753345.

Adding to 2173456252 its reverse (2526543712), we get a palindrome (4699999964).

The spelling of 2173456252 in words is "two billion, one hundred seventy-three million, four hundred fifty-six thousand, two hundred fifty-two".