52742141 has 4 divisors (see below), whose sum is σ = 52757952. Its totient is φ = 52726332.

The previous prime is 52742093. The next prime is 52742147. The reversal of 52742141 is 14124725.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52742141 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 52742141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52742147) 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, 731 + ... + 10296.

It is an arithmetic number, because the mean of its divisors is an integer number (13189488).

Almost surely, 2^52742141 is an apocalyptic number.

It is an amenable number.

52742141 is a deficient number, since it is larger than the sum of its proper divisors (15811).

52742141 is a wasteful number, since it uses less digits than its factorization.

52742141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15810.

The product of its digits is 2240, while the sum is 26.

The square root of 52742141 is about 7262.3784671415. The cubic root of 52742141 is about 375.0184073927.

Adding to 52742141 its reverse (14124725), we get a palindrome (66866866).

The spelling of 52742141 in words is "fifty-two million, seven hundred forty-two thousand, one hundred forty-one".