10004557 has 2 divisors, whose sum is σ = 10004558. Its totient is φ = 10004556.

The previous prime is 10004543. The next prime is 10004573. The reversal of 10004557 is 75540001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6295081 + 3709476 = 2509^2 + 1926^2 .

It is a cyclic number.

It is not a de Polignac number, because 10004557 - 2²³ = 1615949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10004597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5002278 + 5002279.

It is an arithmetic number, because the mean of its divisors is an integer number (5002279).

Almost surely, 2^10004557 is an apocalyptic number.

It is an amenable number.

10004557 is a deficient number, since it is larger than the sum of its proper divisors (1).

10004557 is an equidigital number, since it uses as much as digits as its factorization.

10004557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 10004557 is about 3162.9981030661. The cubic root of 10004557 is about 215.4761898963.

Adding to 10004557 its reverse (75540001), we get a palindrome (85544558).

The spelling of 10004557 in words is "ten million, four thousand, five hundred fifty-seven".