2538623 has 2 divisors, whose sum is σ = 2538624. Its totient is φ = 2538622.

The previous prime is 2538619. The next prime is 2538659. The reversal of 2538623 is 3268352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2538623 - 2² = 2538619 is a prime.

It is a super-2 number, since 2×2538623² = 12889213472258, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁷ + 5⁹ + 3⁶ + 8 + 6⁴ + 2¹⁹ + 3¹⁰ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2538673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269311 + 1269312.

It is an arithmetic number, because the mean of its divisors is an integer number (1269312).

2^2538623 is an apocalyptic number.

2538623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2538623 is an equidigital number, since it uses as much as digits as its factorization.

2538623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 29.

The square root of 2538623 is about 1593.3056831632. The cubic root of 2538623 is about 136.4162384671.

The spelling of 2538623 in words is "two million, five hundred thirty-eight thousand, six hundred twenty-three".