2481653 has 2 divisors, whose sum is σ = 2481654. Its totient is φ = 2481652.

The previous prime is 2481649. The next prime is 2481697. The reversal of 2481653 is 3561842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2427364 + 54289 = 1558^2 + 233^2 .

It is a cyclic number.

It is not a de Polignac number, because 2481653 - 2² = 2481649 is a prime.

It is a super-2 number, since 2×2481653² = 12317203224818, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2481253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1240826 + 1240827.

It is an arithmetic number, because the mean of its divisors is an integer number (1240827).

2^2481653 is an apocalyptic number.

It is an amenable number.

2481653 is a deficient number, since it is larger than the sum of its proper divisors (1).

2481653 is an equidigital number, since it uses as much as digits as its factorization.

2481653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

The square root of 2481653 is about 1575.3263154026. The cubic root of 2481653 is about 135.3880558517.

The spelling of 2481653 in words is "two million, four hundred eighty-one thousand, six hundred fifty-three".