2563732 has 6 divisors (see below), whose sum is σ = 4486538. Its totient is φ = 1281864.

The previous prime is 2563723. The next prime is 2563733. The reversal of 2563732 is 2373652.

2563732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1473796 + 1089936 = 1214^2 + 1044^2 .

It is a d-powerful number, because it can be written as 2³ + 5⁵ + 6⁸ + 3¹¹ + 7⁴ + 3¹¹ + 2¹⁹ .

It is a self number, because there is not a number n which added to its sum of digits gives 2563732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320463 + ... + 320470.

2^2563732 is an apocalyptic number.

It is an amenable number.

2563732 is a deficient number, since it is larger than the sum of its proper divisors (1922806).

2563732 is a wasteful number, since it uses less digits than its factorization.

2563732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640937 (or 640935 counting only the distinct ones).

The product of its digits is 7560, while the sum is 28.

The square root of 2563732 is about 1601.1658252661. The cubic root of 2563732 is about 136.8645187724.

The spelling of 2563732 in words is "two million, five hundred sixty-three thousand, seven hundred thirty-two".