1672841251 has 4 divisors (see below), whose sum is σ = 1726803904. Its totient is φ = 1618878600.

The previous prime is 1672841243. The next prime is 1672841281. The reversal of 1672841251 is 1521482761.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1672841251 - 2³ = 1672841243 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 1672841251.

It is not an unprimeable number, because it can be changed into a prime (1672841281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26981280 + ... + 26981341.

It is an arithmetic number, because the mean of its divisors is an integer number (431700976).

Almost surely, 2^1672841251 is an apocalyptic number.

1672841251 is a deficient number, since it is larger than the sum of its proper divisors (53962653).

1672841251 is an equidigital number, since it uses as much as digits as its factorization.

1672841251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53962652.

The product of its digits is 26880, while the sum is 37.

The square root of 1672841251 is about 40900.3820397805. The cubic root of 1672841251 is about 1187.0934529431.

The spelling of 1672841251 in words is "one billion, six hundred seventy-two million, eight hundred forty-one thousand, two hundred fifty-one".