53213241 has 4 divisors (see below), whose sum is σ = 70950992. Its totient is φ = 35475492.

The previous prime is 53213233. The next prime is 53213257. The reversal of 53213241 is 14231235.

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 not a de Polignac number, because 53213241 - 2³ = 53213233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53213261) 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, 8868871 + ... + 8868876.

It is an arithmetic number, because the mean of its divisors is an integer number (17737748).

Almost surely, 2^53213241 is an apocalyptic number.

It is an amenable number.

53213241 is a deficient number, since it is larger than the sum of its proper divisors (17737751).

53213241 is a wasteful number, since it uses less digits than its factorization.

53213241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17737750.

The product of its digits is 720, while the sum is 21.

The square root of 53213241 is about 7294.7406396664. The cubic root of 53213241 is about 376.1316711965.

Adding to 53213241 its reverse (14231235), we get a palindrome (67444476).

The spelling of 53213241 in words is "fifty-three million, two hundred thirteen thousand, two hundred forty-one".