2621053 has 2 divisors, whose sum is σ = 2621054. Its totient is φ = 2621052.

The previous prime is 2621033. The next prime is 2621063. The reversal of 2621053 is 3501262.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2442969 + 178084 = 1563^2 + 422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2621053 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2621053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2621023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310526 + 1310527.

It is an arithmetic number, because the mean of its divisors is an integer number (1310527).

2^2621053 is an apocalyptic number.

It is an amenable number.

2621053 is a deficient number, since it is larger than the sum of its proper divisors (1).

2621053 is an equidigital number, since it uses as much as digits as its factorization.

2621053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2621053 is about 1618.9666457342. The cubic root of 2621053 is about 137.8770346212.

It can be divided in two parts, 2 and 621053, that added together give a triangular number (621055 = T₁₁₁₄).

The spelling of 2621053 in words is "two million, six hundred twenty-one thousand, fifty-three".