10213557 has 4 divisors (see below), whose sum is σ = 13618080. Its totient is φ = 6809036.

The previous prime is 10213543. The next prime is 10213559. The reversal of 10213557 is 75531201.

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.

It is a cyclic number.

It is not a de Polignac number, because 10213557 - 2¹² = 10209461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10213559) 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, 1702257 + ... + 1702262.

It is an arithmetic number, because the mean of its divisors is an integer number (3404520).

Almost surely, 2^10213557 is an apocalyptic number.

It is an amenable number.

10213557 is a deficient number, since it is larger than the sum of its proper divisors (3404523).

10213557 is an equidigital number, since it uses as much as digits as its factorization.

10213557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404522.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 10213557 is about 3195.8656104411. The cubic root of 10213557 is about 216.9663280308.

Adding to 10213557 its reverse (75531201), we get a palindrome (85744758).

The spelling of 10213557 in words is "ten million, two hundred thirteen thousand, five hundred fifty-seven".