10621355 has 8 divisors (see below), whose sum is σ = 12865392. Its totient is φ = 8417248.

The previous prime is 10621343. The next prime is 10621397. The reversal of 10621355 is 55312601.

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 10621355 - 2⁴ = 10621339 is a prime.

It is a super-2 number, since 2×10621355² = 225626364072050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10621355.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9392 + ... + 10461.

It is an arithmetic number, because the mean of its divisors is an integer number (1608174).

Almost surely, 2^10621355 is an apocalyptic number.

10621355 is a deficient number, since it is larger than the sum of its proper divisors (2244037).

10621355 is a wasteful number, since it uses less digits than its factorization.

10621355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19965.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 10621355 is about 3259.0420371637. The cubic root of 10621355 is about 219.8163412123.

Adding to 10621355 its reverse (55312601), we get a palindrome (65933956).

The spelling of 10621355 in words is "ten million, six hundred twenty-one thousand, three hundred fifty-five".