521325411 has 8 divisors (see below), whose sum is σ = 695397120. Its totient is φ = 347401992.

The previous prime is 521325391. The next prime is 521325463. The reversal of 521325411 is 114523125.

It is a happy number.

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

It is not a de Polignac number, because 521325411 - 2⁵ = 521325379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (521325611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28591 + ... + 43128.

It is an arithmetic number, because the mean of its divisors is an integer number (86924640).

Almost surely, 2^521325411 is an apocalyptic number.

521325411 is a deficient number, since it is larger than the sum of its proper divisors (174071709).

521325411 is a wasteful number, since it uses less digits than its factorization.

521325411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74145.

The product of its digits is 1200, while the sum is 24.

The square root of 521325411 is about 22832.5515656923. The cubic root of 521325411 is about 804.8277918222.

Adding to 521325411 its reverse (114523125), we get a palindrome (635848536).

The spelling of 521325411 in words is "five hundred twenty-one million, three hundred twenty-five thousand, four hundred eleven".