52190261 has 8 divisors (see below), whose sum is σ = 53560320. Its totient is φ = 50827392.

The previous prime is 52190249. The next prime is 52190297. The reversal of 52190261 is 16209125.

52190261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52190261 - 2¹⁰ = 52189237 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 52190261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52190231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14885 + ... + 18053.

It is an arithmetic number, because the mean of its divisors is an integer number (6695040).

Almost surely, 2^52190261 is an apocalyptic number.

It is an amenable number.

52190261 is a deficient number, since it is larger than the sum of its proper divisors (1370059).

52190261 is a wasteful number, since it uses less digits than its factorization.

52190261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 52190261 is about 7224.2827325625. The cubic root of 52190261 is about 373.7057868006.

Adding to 52190261 its reverse (16209125), we get a palindrome (68399386).

It can be divided in two parts, 52190 and 261, that multiplied together give a triangular number (13621590 = T₅₂₁₉).

The spelling of 52190261 in words is "fifty-two million, one hundred ninety thousand, two hundred sixty-one".