65142103 has 4 divisors (see below), whose sum is σ = 70153048. Its totient is φ = 60131160.

The previous prime is 65142101. The next prime is 65142131. The reversal of 65142103 is 30124156.

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 65142103 - 2¹ = 65142101 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 (65142101) 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, 2505453 + ... + 2505478.

It is an arithmetic number, because the mean of its divisors is an integer number (17538262).

Almost surely, 2^65142103 is an apocalyptic number.

65142103 is a deficient number, since it is larger than the sum of its proper divisors (5010945).

65142103 is a wasteful number, since it uses less digits than its factorization.

65142103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010944.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 65142103 is about 8071.0657908358. The cubic root of 65142103 is about 402.3653662848.

Adding to 65142103 its reverse (30124156), we get a palindrome (95266259).

The spelling of 65142103 in words is "sixty-five million, one hundred forty-two thousand, one hundred three".