10621263 has 4 divisors (see below), whose sum is σ = 14161688. Its totient is φ = 7080840.

The previous prime is 10621241. The next prime is 10621283. The reversal of 10621263 is 36212601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10621263 - 2⁸ = 10621007 is a prime.

It is a super-2 number, since 2×10621263² = 225622455430338, 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 (10621213) 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, 1770208 + ... + 1770213.

It is an arithmetic number, because the mean of its divisors is an integer number (3540422).

Almost surely, 2^10621263 is an apocalyptic number.

10621263 is a deficient number, since it is larger than the sum of its proper divisors (3540425).

10621263 is an equidigital number, since it uses as much as digits as its factorization.

10621263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540424.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 10621263 is about 3259.0279225560. The cubic root of 10621263 is about 219.8157065425.

Adding to 10621263 its reverse (36212601), we get a palindrome (46833864).

The spelling of 10621263 in words is "ten million, six hundred twenty-one thousand, two hundred sixty-three".