2481641 has 2 divisors, whose sum is σ = 2481642. Its totient is φ = 2481640.

The previous prime is 2481629. The next prime is 2481649. The reversal of 2481641 is 1461842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2019241 + 462400 = 1421^2 + 680^2 .

It is a cyclic number.

It is not a de Polignac number, because 2481641 - 2¹⁰ = 2480617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2481641.

It is not a weakly prime, because it can be changed into another prime (2481649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1240820 + 1240821.

It is an arithmetic number, because the mean of its divisors is an integer number (1240821).

2^2481641 is an apocalyptic number.

It is an amenable number.

2481641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2481641 is an equidigital number, since it uses as much as digits as its factorization.

2481641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 26.

The square root of 2481641 is about 1575.3225066633. The cubic root of 2481641 is about 135.3878376289.

The spelling of 2481641 in words is "two million, four hundred eighty-one thousand, six hundred forty-one".