2061263361 has 4 divisors (see below), whose sum is σ = 2748351152. Its totient is φ = 1374175572.

The previous prime is 2061263359. The next prime is 2061263371. The reversal of 2061263361 is 1633621602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2061263361 - 2¹ = 2061263359 is a prime.

It is a super-4 number, since 4×2061263361⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2061263371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343543891 + ... + 343543896.

It is an arithmetic number, because the mean of its divisors is an integer number (687087788).

Almost surely, 2^2061263361 is an apocalyptic number.

It is an amenable number.

2061263361 is a deficient number, since it is larger than the sum of its proper divisors (687087791).

2061263361 is an equidigital number, since it uses as much as digits as its factorization.

2061263361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687087790.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 2061263361 is about 45401.1383227337. The cubic root of 2061263361 is about 1272.6563865113.

Adding to 2061263361 its reverse (1633621602), we get a palindrome (3694884963).

The spelling of 2061263361 in words is "two billion, sixty-one million, two hundred sixty-three thousand, three hundred sixty-one".