2563937 has 2 divisors, whose sum is σ = 2563938. Its totient is φ = 2563936.

The previous prime is 2563933. The next prime is 2563943. The reversal of 2563937 is 7393652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1515361 + 1048576 = 1231^2 + 1024^2 .

It is a cyclic number.

It is not a de Polignac number, because 2563937 - 2² = 2563933 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁹ + 6⁵ + 3⁹ + 9 + 3¹⁰ + 7 .

It is a junction number, because it is equal to n+sod(n) for n = 2563897 and 2563906.

It is not a weakly prime, because it can be changed into another prime (2563933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1281968 + 1281969.

It is an arithmetic number, because the mean of its divisors is an integer number (1281969).

2^2563937 is an apocalyptic number.

It is an amenable number.

2563937 is a deficient number, since it is larger than the sum of its proper divisors (1).

2563937 is an equidigital number, since it uses as much as digits as its factorization.

2563937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 35.

The square root of 2563937 is about 1601.2298398419. The cubic root of 2563937 is about 136.8681666418.

The spelling of 2563937 in words is "two million, five hundred sixty-three thousand, nine hundred thirty-seven".