521245411 has 8 divisors (see below), whose sum is σ = 548890880. Its totient is φ = 493621128.

The previous prime is 521245393. The next prime is 521245421. The reversal of 521245411 is 114542125.

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 521245411 - 2⁵ = 521245379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (521245421) 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, 83770 + ... + 89776.

It is an arithmetic number, because the mean of its divisors is an integer number (68611360).

Almost surely, 2^521245411 is an apocalyptic number.

521245411 is a deficient number, since it is larger than the sum of its proper divisors (27645469).

521245411 is a wasteful number, since it uses less digits than its factorization.

521245411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10593.

The product of its digits is 1600, while the sum is 25.

The square root of 521245411 is about 22830.7996136798. The cubic root of 521245411 is about 804.7866214286.

Adding to 521245411 its reverse (114542125), we get a palindrome (635787536).

The spelling of 521245411 in words is "five hundred twenty-one million, two hundred forty-five thousand, four hundred eleven".