52515103 has 4 divisors (see below), whose sum is σ = 53506008. Its totient is φ = 51524200.

The previous prime is 52515101. The next prime is 52515139. The reversal of 52515103 is 30151525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52515103 - 2¹ = 52515101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52515101) 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, 495373 + ... + 495478.

It is an arithmetic number, because the mean of its divisors is an integer number (13376502).

Almost surely, 2^52515103 is an apocalyptic number.

52515103 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

52515103 is a deficient number, since it is larger than the sum of its proper divisors (990905).

52515103 is an equidigital number, since it uses as much as digits as its factorization.

52515103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990904.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 52515103 is about 7246.7305041653. The cubic root of 52515103 is about 374.4795220897.

Adding to 52515103 its reverse (30151525), we get a palindrome (82666628).

It can be divided in two parts, 52515 and 103, that multiplied together give a palindrome (5409045).

The spelling of 52515103 in words is "fifty-two million, five hundred fifteen thousand, one hundred three".