10007557 has 4 divisors (see below), whose sum is σ = 11437216. Its totient is φ = 8577900.

The previous prime is 10007539. The next prime is 10007561. The reversal of 10007557 is 75570001.

10007557 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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: 75570001 = 13 ⋅5813077.

It is a cyclic number.

It is not a de Polignac number, because 10007557 - 2⁷ = 10007429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10007537) 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, 714819 + ... + 714832.

It is an arithmetic number, because the mean of its divisors is an integer number (2859304).

Almost surely, 2^10007557 is an apocalyptic number.

It is an amenable number.

10007557 is a deficient number, since it is larger than the sum of its proper divisors (1429659).

10007557 is an equidigital number, since it uses as much as digits as its factorization.

10007557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429658.

The product of its (nonzero) digits is 1225, while the sum is 25.

The square root of 10007557 is about 3163.4723011274. The cubic root of 10007557 is about 215.4977255481.

Adding to 10007557 its reverse (75570001), we get a palindrome (85577558).

The spelling of 10007557 in words is "ten million, seven thousand, five hundred fifty-seven".