2619973 has 2 divisors, whose sum is σ = 2619974. Its totient is φ = 2619972.

The previous prime is 2619961. The next prime is 2619997. The reversal of 2619973 is 3799162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2125764 + 494209 = 1458^2 + 703^2 .

It is a cyclic number.

It is not a de Polignac number, because 2619973 - 2¹⁷ = 2488901 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2619913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1309986 + 1309987.

It is an arithmetic number, because the mean of its divisors is an integer number (1309987).

2^2619973 is an apocalyptic number.

It is an amenable number.

2619973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2619973 is an equidigital number, since it uses as much as digits as its factorization.

2619973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 37.

The square root of 2619973 is about 1618.6330652745. The cubic root of 2619973 is about 137.8580946946.

The spelling of 2619973 in words is "two million, six hundred nineteen thousand, nine hundred seventy-three".