521412014 has 8 divisors (see below), whose sum is σ = 784031520. Its totient is φ = 260068176.

The previous prime is 521412007. The next prime is 521412019. The reversal of 521412014 is 410214125.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521412019) 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, 317894 + ... + 319529.

It is an arithmetic number, because the mean of its divisors is an integer number (98003940).

Almost surely, 2^521412014 is an apocalyptic number.

521412014 is a deficient number, since it is larger than the sum of its proper divisors (262619506).

521412014 is a wasteful number, since it uses less digits than its factorization.

521412014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637834.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 521412014 is about 22834.4479679278. The cubic root of 521412014 is about 804.8723555697.

Adding to 521412014 its reverse (410214125), we get a palindrome (931626139).

The spelling of 521412014 in words is "five hundred twenty-one million, four hundred twelve thousand, fourteen".