103522481 has 4 divisors (see below), whose sum is σ = 103560000. Its totient is φ = 103484964.

The previous prime is 103522477. The next prime is 103522487. The reversal of 103522481 is 184225301.

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: 184225301 = 13 ⋅14171177.

It is a cyclic number.

It is not a de Polignac number, because 103522481 - 2² = 103522477 is a prime.

It is a super-2 number, since 2×103522481² = 21433808144790722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103522481.

It is not an unprimeable number, because it can be changed into a prime (103522487) 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, 14261 + ... + 20258.

It is an arithmetic number, because the mean of its divisors is an integer number (25890000).

Almost surely, 2^103522481 is an apocalyptic number.

It is an amenable number.

103522481 is a deficient number, since it is larger than the sum of its proper divisors (37519).

103522481 is an equidigital number, since it uses as much as digits as its factorization.

103522481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37518.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 103522481 is about 10174.5997955694. The cubic root of 103522481 is about 469.5460850745.

Adding to 103522481 its reverse (184225301), we get a palindrome (287747782).

The spelling of 103522481 in words is "one hundred three million, five hundred twenty-two thousand, four hundred eighty-one".