2261515463 has 8 divisors (see below), whose sum is σ = 2274963600. Its totient is φ = 2248107840.

The previous prime is 2261515429. The next prime is 2261515471. The reversal of 2261515463 is 3645151622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2261515463 is a prime.

It is a super-2 number, since 2×2261515463² = 10228904378776208738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261515493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105731 + ... + 125307.

It is an arithmetic number, because the mean of its divisors is an integer number (284370450).

Almost surely, 2^2261515463 is an apocalyptic number.

2261515463 is a deficient number, since it is larger than the sum of its proper divisors (13448137).

2261515463 is a wasteful number, since it uses less digits than its factorization.

2261515463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20257.

The product of its digits is 43200, while the sum is 35.

The square root of 2261515463 is about 47555.3936268012. The cubic root of 2261515463 is about 1312.6023794122.

The spelling of 2261515463 in words is "two billion, two hundred sixty-one million, five hundred fifteen thousand, four hundred sixty-three".