2081264 has 10 divisors (see below), whose sum is σ = 4032480. Its totient is φ = 1040624.

The previous prime is 2081251. The next prime is 2081267. The reversal of 2081264 is 4621802.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65024 + ... + 65055.

It is an arithmetic number, because the mean of its divisors is an integer number (403248).

2^2081264 is an apocalyptic number.

It is an amenable number.

2081264 is a deficient number, since it is larger than the sum of its proper divisors (1951216).

2081264 is a wasteful number, since it uses less digits than its factorization.

2081264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130087 (or 130081 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2081264 is about 1442.6586567861. The cubic root of 2081264 is about 127.6759380663.

The spelling of 2081264 in words is "two million, eighty-one thousand, two hundred sixty-four".