2622545 has 4 divisors (see below), whose sum is σ = 3147060. Its totient is φ = 2098032.

The previous prime is 2622533. The next prime is 2622559. The reversal of 2622545 is 5452262.

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

It can be written as a sum of positive squares in 2 ways, for example, as 614656 + 2007889 = 784^2 + 1417^2 .

It is a cyclic number.

It is not a de Polignac number, because 2622545 - 2¹² = 2618449 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262250 + ... + 262259.

It is an arithmetic number, because the mean of its divisors is an integer number (786765).

2^2622545 is an apocalyptic number.

It is an amenable number.

2622545 is a deficient number, since it is larger than the sum of its proper divisors (524515).

2622545 is an equidigital number, since it uses as much as digits as its factorization.

2622545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524514.

The product of its digits is 4800, while the sum is 26.

The square root of 2622545 is about 1619.4273679298. The cubic root of 2622545 is about 137.9031912225.

The spelling of 2622545 in words is "two million, six hundred twenty-two thousand, five hundred forty-five".