521114425357 has 2 divisors, whose sum is σ = 521114425358. Its totient is φ = 521114425356.

The previous prime is 521114425327. The next prime is 521114425423. The reversal of 521114425357 is 753524411125.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 489242892681 + 31871532676 = 699459^2 + 178526^2 .

It is a cyclic number.

It is not a de Polignac number, because 521114425357 - 2³⁵ = 486754686989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (521114425327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260557212678 + 260557212679.

It is an arithmetic number, because the mean of its divisors is an integer number (260557212679).

Almost surely, 2^521114425357 is an apocalyptic number.

It is an amenable number.

521114425357 is a deficient number, since it is larger than the sum of its proper divisors (1).

521114425357 is an equidigital number, since it uses as much as digits as its factorization.

521114425357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168000, while the sum is 40.

The spelling of 521114425357 in words is "five hundred twenty-one billion, one hundred fourteen million, four hundred twenty-five thousand, three hundred fifty-seven".