10213081 has 4 divisors (see below), whose sum is σ = 10657152. Its totient is φ = 9769012.

The previous prime is 10213061. The next prime is 10213087. The reversal of 10213081 is 18031201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18031201 = 563 ⋅32027.

It is a cyclic number.

It is not a de Polignac number, because 10213081 - 2⁷ = 10212953 is a prime.

It is a super-2 number, since 2×10213081² = 208614047025122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10213087) 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, 222001 + ... + 222046.

It is an arithmetic number, because the mean of its divisors is an integer number (2664288).

Almost surely, 2^10213081 is an apocalyptic number.

It is an amenable number.

10213081 is a deficient number, since it is larger than the sum of its proper divisors (444071).

10213081 is an equidigital number, since it uses as much as digits as its factorization.

10213081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444070.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 10213081 is about 3195.7911383568. The cubic root of 10213081 is about 216.9629574266.

Adding to 10213081 its reverse (18031201), we get a palindrome (28244282).

The spelling of 10213081 in words is "ten million, two hundred thirteen thousand, eighty-one".