2920553 has 4 divisors (see below), whose sum is σ = 2991828. Its totient is φ = 2849280.

The previous prime is 2920543. The next prime is 2920571. The reversal of 2920553 is 3550292.

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 994009 + 1926544 = 997^2 + 1388^2 .

It is a cyclic number.

It is not a de Polignac number, because 2920553 - 2¹² = 2916457 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2920513) 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, 35576 + ... + 35657.

It is an arithmetic number, because the mean of its divisors is an integer number (747957).

2^2920553 is an apocalyptic number.

It is an amenable number.

2920553 is a deficient number, since it is larger than the sum of its proper divisors (71275).

2920553 is an equidigital number, since it uses as much as digits as its factorization.

2920553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71274.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 2920553 is about 1708.9625507892. The cubic root of 2920553 is about 142.9404123587.

The spelling of 2920553 in words is "two million, nine hundred twenty thousand, five hundred fifty-three".