2489453 has 2 divisors, whose sum is σ = 2489454. Its totient is φ = 2489452.

The previous prime is 2489441. The next prime is 2489477. The reversal of 2489453 is 3549842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1592644 + 896809 = 1262^2 + 947^2 .

It is a cyclic number.

It is not a de Polignac number, because 2489453 - 2⁸ = 2489197 is a prime.

It is a Sophie Germain prime.

It is a d-powerful number, because it can be written as 2⁵ + 4 + 8³ + 9⁶ + 4⁶ + 5⁹ + 3⁵ .

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2489413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244726 + 1244727.

It is an arithmetic number, because the mean of its divisors is an integer number (1244727).

2^2489453 is an apocalyptic number.

It is an amenable number.

2489453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2489453 is an equidigital number, since it uses as much as digits as its factorization.

2489453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The square root of 2489453 is about 1577.8000507035. The cubic root of 2489453 is about 135.5297520485.

The spelling of 2489453 in words is "two million, four hundred eighty-nine thousand, four hundred fifty-three".