521424354 has 16 divisors (see below), whose sum is σ = 1137653280. Its totient is φ = 158007360.

The previous prime is 521424331. The next prime is 521424367. The reversal of 521424354 is 453424125.

521424354 is a modest number, since divided by 24354 gives 5214 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3950119 + ... + 3950250.

It is an arithmetic number, because the mean of its divisors is an integer number (71103330).

Almost surely, 2^521424354 is an apocalyptic number.

521424354 is an abundant number, since it is smaller than the sum of its proper divisors (616228926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

521424354 is a wasteful number, since it uses less digits than its factorization.

521424354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7900385.

The product of its digits is 19200, while the sum is 30.

The square root of 521424354 is about 22834.7181721168. The cubic root of 521424354 is about 804.8787050248.

Adding to 521424354 its reverse (453424125), we get a palindrome (974848479).

The spelling of 521424354 in words is "five hundred twenty-one million, four hundred twenty-four thousand, three hundred fifty-four".