2581352 has 8 divisors (see below), whose sum is σ = 4840050. Its totient is φ = 1290672.

The previous prime is 2581349. The next prime is 2581357. The reversal of 2581352 is 2531852.

2581352 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., 2579236 + 2116 = 1606^2 + 46^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2581357) 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, 161327 + ... + 161342.

2^2581352 is an apocalyptic number.

It is an amenable number.

2581352 is a deficient number, since it is larger than the sum of its proper divisors (2258698).

2581352 is a wasteful number, since it uses less digits than its factorization.

2581352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322675 (or 322671 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 2581352 is about 1606.6586445166. The cubic root of 2581352 is about 137.1773503681.

The spelling of 2581352 in words is "two million, five hundred eighty-one thousand, three hundred fifty-two".