6256401263 has 8 divisors (see below), whose sum is σ = 7526497920. Its totient is φ = 5080385880.

The previous prime is 6256401257. The next prime is 6256401269. The reversal of 6256401263 is 3621046526.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6256401257) and next prime (6256401269).

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 6256401263 - 2⁴ = 6256401247 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 (6256401269) 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, 23520173 + ... + 23520438.

It is an arithmetic number, because the mean of its divisors is an integer number (940812240).

Almost surely, 2^6256401263 is an apocalyptic number.

6256401263 is a deficient number, since it is larger than the sum of its proper divisors (1270096657).

6256401263 is a wasteful number, since it uses less digits than its factorization.

6256401263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47040637.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 6256401263 is about 79097.4162852365. The cubic root of 6256401263 is about 1842.6444002011.

Adding to 6256401263 its reverse (3621046526), we get a palindrome (9877447789).

The spelling of 6256401263 in words is "six billion, two hundred fifty-six million, four hundred one thousand, two hundred sixty-three".