2261532 has 96 divisors (see below), whose sum is σ = 6899200. Its totient is φ = 559872.

The previous prime is 2261531. The next prime is 2261549. The reversal of 2261532 is 2351622.

It is a super-2 number, since 2×2261532² = 10229053974048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2261499 and 2261508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20694 + ... + 20802.

2^2261532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2261532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3449600).

2261532 is an abundant number, since it is smaller than the sum of its proper divisors (4637668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2261532 is a wasteful number, since it uses less digits than its factorization.

2261532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 153 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 2261532 is about 1503.8390871367. The cubic root of 2261532 is about 131.2605578808.

The spelling of 2261532 in words is "two million, two hundred sixty-one thousand, five hundred thirty-two".