103520539 has 6 divisors (see below), whose sum is σ = 108217676. Its totient is φ = 99019140.

The previous prime is 103520537. The next prime is 103520567. The reversal of 103520539 is 935025301.

It is not a de Polignac number, because 103520539 - 2¹ = 103520537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103520537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97317 + ... + 98374.

Almost surely, 2^103520539 is an apocalyptic number.

103520539 is a deficient number, since it is larger than the sum of its proper divisors (4697137).

103520539 is an equidigital number, since it uses as much as digits as its factorization.

103520539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195737 (or 195714 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 103520539 is about 10174.5043613927. The cubic root of 103520539 is about 469.5431489515.

The spelling of 103520539 in words is "one hundred three million, five hundred twenty thousand, five hundred thirty-nine".