52581103 has 2 divisors, whose sum is σ = 52581104. Its totient is φ = 52581102.

The previous prime is 52581091. The next prime is 52581121. The reversal of 52581103 is 30118525.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52581103 - 2¹⁷ = 52450031 is a prime.

It is equal to p_3146452 and since 52581103 and 3146452 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52581143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26290551 + 26290552.

It is an arithmetic number, because the mean of its divisors is an integer number (26290552).

Almost surely, 2^52581103 is an apocalyptic number.

52581103 is a deficient number, since it is larger than the sum of its proper divisors (1).

52581103 is an equidigital number, since it uses as much as digits as its factorization.

52581103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 52581103 is about 7251.2828520200. The cubic root of 52581103 is about 374.6363360360.

Adding to 52581103 its reverse (30118525), we get a palindrome (82699628).

The spelling of 52581103 in words is "fifty-two million, five hundred eighty-one thousand, one hundred three".