2061451132 has 48 divisors (see below), whose sum is σ = 4184709760. Its totient is φ = 880383168.

The previous prime is 2061451121. The next prime is 2061451181. The reversal of 2061451132 is 2311541602.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2061451097 and 2061451106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18223 + ... + 66745.

Almost surely, 2^2061451132 is an apocalyptic number.

It is an amenable number.

2061451132 is an abundant number, since it is smaller than the sum of its proper divisors (2123258628).

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

2061451132 is a wasteful number, since it uses less digits than its factorization.

2061451132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48602 (or 48600 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2061451132 is about 45403.2061863477. The cubic root of 2061451132 is about 1272.6950295932.

Adding to 2061451132 its reverse (2311541602), we get a palindrome (4372992734).

The spelling of 2061451132 in words is "two billion, sixty-one million, four hundred fifty-one thousand, one hundred thirty-two".