6263656261 has 8 divisors (see below), whose sum is σ = 6599616800. Its totient is φ = 5928325200.

The previous prime is 6263656253. The next prime is 6263656271. The reversal of 6263656261 is 1626563626.

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

It is a cyclic number.

It is not a de Polignac number, because 6263656261 - 2³ = 6263656253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6263656241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136866 + ... + 176803.

It is an arithmetic number, because the mean of its divisors is an integer number (824952100).

Almost surely, 2^6263656261 is an apocalyptic number.

It is an amenable number.

6263656261 is a deficient number, since it is larger than the sum of its proper divisors (335960539).

6263656261 is a wasteful number, since it uses less digits than its factorization.

6263656261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314739.

The product of its digits is 466560, while the sum is 43.

The square root of 6263656261 is about 79143.2641543170. The cubic root of 6263656261 is about 1843.3563759214.

The spelling of 6263656261 in words is "six billion, two hundred sixty-three million, six hundred fifty-six thousand, two hundred sixty-one".