10455621 has 16 divisors (see below), whose sum is σ = 15363648. Its totient is φ = 6272000.

The previous prime is 10455619. The next prime is 10455637. The reversal of 10455621 is 12655401.

10455621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a 5-Lehmer number, since φ(10455621) divides (10455621-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 10455621 - 2¹ = 10455619 is a prime.

It is a super-3 number, since 3×10455621³ (a number of 22 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10455591 and 10455600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10455661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1765 + ... + 4901.

It is an arithmetic number, because the mean of its divisors is an integer number (960228).

Almost surely, 2^10455621 is an apocalyptic number.

10455621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10455621 is a deficient number, since it is larger than the sum of its proper divisors (4908027).

10455621 is a wasteful number, since it uses less digits than its factorization.

10455621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 10455621 is about 3233.5152697954. The cubic root of 10455621 is about 218.6670154891.

It can be divided in two parts, 1045 and 5621, that added together give a palindrome (6666).

The spelling of 10455621 in words is "ten million, four hundred fifty-five thousand, six hundred twenty-one".