2620433 has 4 divisors (see below), whose sum is σ = 2684388. Its totient is φ = 2556480.

The previous prime is 2620421. The next prime is 2620439. The reversal of 2620433 is 3340262.

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 693889 + 1926544 = 833^2 + 1388^2 .

It is a cyclic number.

It is not a de Polignac number, because 2620433 - 2⁴ = 2620417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2620439) 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, 31916 + ... + 31997.

It is an arithmetic number, because the mean of its divisors is an integer number (671097).

2^2620433 is an apocalyptic number.

It is an amenable number.

2620433 is a deficient number, since it is larger than the sum of its proper divisors (63955).

2620433 is an equidigital number, since it uses as much as digits as its factorization.

2620433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63954.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2620433 is about 1618.7751542447. The cubic root of 2620433 is about 137.8661623366.

Adding to 2620433 its reverse (3340262), we get a palindrome (5960695).

The spelling of 2620433 in words is "two million, six hundred twenty thousand, four hundred thirty-three".