52161461 has 4 divisors (see below), whose sum is σ = 56903424. Its totient is φ = 47419500.

The previous prime is 52161427. The next prime is 52161481. The reversal of 52161461 is 16416125.

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 not a de Polignac number, because 52161461 - 2⁶ = 52161397 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 52161461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52161481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2370965 + ... + 2370986.

It is an arithmetic number, because the mean of its divisors is an integer number (14225856).

Almost surely, 2^52161461 is an apocalyptic number.

It is an amenable number.

52161461 is a deficient number, since it is larger than the sum of its proper divisors (4741963).

52161461 is a wasteful number, since it uses less digits than its factorization.

52161461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4741962.

The product of its digits is 1440, while the sum is 26.

The square root of 52161461 is about 7222.2891800315. The cubic root of 52161461 is about 373.6370338265.

Adding to 52161461 its reverse (16416125), we get a palindrome (68577586).

The spelling of 52161461 in words is "fifty-two million, one hundred sixty-one thousand, four hundred sixty-one".