2061321262 has 64 divisors (see below), whose sum is σ = 4230019584. Its totient is φ = 727309440.

The previous prime is 2061321233. The next prime is 2061321293. The reversal of 2061321262 is 2621231602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96393 + ... + 115819.

It is an arithmetic number, because the mean of its divisors is an integer number (66094056).

Almost surely, 2^2061321262 is an apocalyptic number.

2061321262 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2061321262 is an abundant number, since it is smaller than the sum of its proper divisors (2168698322).

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

2061321262 is a wasteful number, since it uses less digits than its factorization.

2061321262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19513.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2061321262 is about 45401.7759784791. The cubic root of 2061321262 is about 1272.6683027288.

Adding to 2061321262 its reverse (2621231602), we get a palindrome (4682552864).

It can be divided in two parts, 2061 and 321262, that added together give a palindrome (323323).

The spelling of 2061321262 in words is "two billion, sixty-one million, three hundred twenty-one thousand, two hundred sixty-two".