61352103 has 4 divisors (see below), whose sum is σ = 81802808. Its totient is φ = 40901400.

The previous prime is 61352051. The next prime is 61352117. The reversal of 61352103 is 30125316.

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

It is not a de Polignac number, because 61352103 - 2¹³ = 61343911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61352103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61352143) 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, 10225348 + ... + 10225353.

It is an arithmetic number, because the mean of its divisors is an integer number (20450702).

Almost surely, 2^61352103 is an apocalyptic number.

61352103 is a deficient number, since it is larger than the sum of its proper divisors (20450705).

61352103 is a wasteful number, since it uses less digits than its factorization.

61352103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20450704.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 61352103 is about 7832.7583264135. The cubic root of 61352103 is about 394.4056713914.

Adding to 61352103 its reverse (30125316), we get a palindrome (91477419).

The spelling of 61352103 in words is "sixty-one million, three hundred fifty-two thousand, one hundred three".