521352341 has 16 divisors (see below), whose sum is σ = 541728000. Its totient is φ = 501450048.

The previous prime is 521352331. The next prime is 521352347. The reversal of 521352341 is 143253125.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-521352341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 521352341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521352347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762986 + ... + 763668.

It is an arithmetic number, because the mean of its divisors is an integer number (33858000).

Almost surely, 2^521352341 is an apocalyptic number.

It is an amenable number.

521352341 is a deficient number, since it is larger than the sum of its proper divisors (20375659).

521352341 is a wasteful number, since it uses less digits than its factorization.

521352341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988.

The product of its digits is 3600, while the sum is 26.

The square root of 521352341 is about 22833.1412862970. The cubic root of 521352341 is about 804.8416498584.

The spelling of 521352341 in words is "five hundred twenty-one million, three hundred fifty-two thousand, three hundred forty-one".