2173461257 has 8 divisors (see below), whose sum is σ = 2397690720. Its totient is φ = 1953672160.

The previous prime is 2173461247. The next prime is 2173461299. The reversal of 2173461257 is 7521643712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2173461257 - 2⁸ = 2173461001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2173461257.

It is not an unprimeable number, because it can be changed into a prime (2173461247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109063 + ... + 1111020.

It is an arithmetic number, because the mean of its divisors is an integer number (299711340).

Almost surely, 2^2173461257 is an apocalyptic number.

It is an amenable number.

2173461257 is a deficient number, since it is larger than the sum of its proper divisors (224229463).

2173461257 is a wasteful number, since it uses less digits than its factorization.

2173461257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220183.

The product of its digits is 70560, while the sum is 38.

The square root of 2173461257 is about 46620.3952900445. The cubic root of 2173461257 is about 1295.3405696294.

The spelling of 2173461257 in words is "two billion, one hundred seventy-three million, four hundred sixty-one thousand, two hundred fifty-seven".