2551402173 has 8 divisors (see below), whose sum is σ = 3402312768. Its totient is φ = 1700713184.

The previous prime is 2551402169. The next prime is 2551402181. The reversal of 2551402173 is 3712041552.

2551402173 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2551402173 - 2² = 2551402169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2551402173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551402573) 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, 26361 + ... + 76142.

It is an arithmetic number, because the mean of its divisors is an integer number (425289096).

Almost surely, 2^2551402173 is an apocalyptic number.

It is an amenable number.

2551402173 is a deficient number, since it is larger than the sum of its proper divisors (850910595).

2551402173 is a wasteful number, since it uses less digits than its factorization.

2551402173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110803.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2551402173 is about 50511.4063652954. The cubic root of 2551402173 is about 1366.4475732532.

The spelling of 2551402173 in words is "two billion, five hundred fifty-one million, four hundred two thousand, one hundred seventy-three".