2261210063 has 16 divisors (see below), whose sum is σ = 2698636800. Its totient is φ = 1852510176.

The previous prime is 2261210057. The next prime is 2261210087. The reversal of 2261210063 is 3600121622.

It is a cyclic number.

It is not a de Polignac number, because 2261210063 - 2¹⁴ = 2261193679 is a prime.

It is a super-2 number, since 2×2261210063² = 10226141898024927938, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261210033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244856 + ... + 253922.

It is an arithmetic number, because the mean of its divisors is an integer number (168664800).

Almost surely, 2^2261210063 is an apocalyptic number.

2261210063 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2261210063 is a deficient number, since it is larger than the sum of its proper divisors (437426737).

2261210063 is a wasteful number, since it uses less digits than its factorization.

2261210063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10646.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2261210063 is about 47552.1825261470. The cubic root of 2261210063 is about 1312.5432911858.

Adding to 2261210063 its reverse (3600121622), we get a palindrome (5861331685).

The spelling of 2261210063 in words is "two billion, two hundred sixty-one million, two hundred ten thousand, sixty-three".