2421673 has 2 divisors, whose sum is σ = 2421674. Its totient is φ = 2421672.

The previous prime is 2421659. The next prime is 2421707. The reversal of 2421673 is 3761242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1996569 + 425104 = 1413^2 + 652^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421673 - 2⁵ = 2421641 is a prime.

It is not a weakly prime, because it can be changed into another prime (2421073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210836 + 1210837.

It is an arithmetic number, because the mean of its divisors is an integer number (1210837).

2^2421673 is an apocalyptic number.

It is an amenable number.

2421673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421673 is an equidigital number, since it uses as much as digits as its factorization.

2421673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 25.

The square root of 2421673 is about 1556.1725482735. The cubic root of 2421673 is about 134.2884001597.

The spelling of 2421673 in words is "two million, four hundred twenty-one thousand, six hundred seventy-three".