5602781 has 2 divisors, whose sum is σ = 5602782. Its totient is φ = 5602780.

The previous prime is 5602769. The next prime is 5602783. The reversal of 5602781 is 1872065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5480281 + 122500 = 2341^2 + 350^2 .

It is a cyclic number.

It is not a de Polignac number, because 5602781 - 2¹⁴ = 5586397 is a prime.

It is a super-2 number, since 2×5602781² = 62782309867922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 5602783, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5602783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2801390 + 2801391.

It is an arithmetic number, because the mean of its divisors is an integer number (2801391).

Almost surely, 2^5602781 is an apocalyptic number.

It is an amenable number.

5602781 is a deficient number, since it is larger than the sum of its proper divisors (1).

5602781 is an equidigital number, since it uses as much as digits as its factorization.

5602781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 5602781 is about 2367.0194338028. The cubic root of 5602781 is about 177.6101914484.

The spelling of 5602781 in words is "five million, six hundred two thousand, seven hundred eighty-one".