8103557 has 32 divisors (see below), whose sum is σ = 11059200. Its totient is φ = 5745600.

The previous prime is 8103553. The next prime is 8103559. The reversal of 8103557 is 7553018.

It is not a de Polignac number, because 8103557 - 2² = 8103553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8103553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42332 + ... + 42522.

It is an arithmetic number, because the mean of its divisors is an integer number (345600).

Almost surely, 2^8103557 is an apocalyptic number.

It is an amenable number.

8103557 is a deficient number, since it is larger than the sum of its proper divisors (2955643).

8103557 is a wasteful number, since it uses less digits than its factorization.

8103557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 8103557 is about 2846.6747267645. The cubic root of 8103557 is about 200.8592779202.

The spelling of 8103557 in words is "eight million, one hundred three thousand, five hundred fifty-seven".