520414357 has 4 divisors (see below), whose sum is σ = 521138880. Its totient is φ = 519689836.

The previous prime is 520414339. The next prime is 520414373. The reversal of 520414357 is 753414025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 520414357 - 2¹⁹ = 519890069 is a prime.

It is a super-2 number, since 2×520414357² = 541662205943446898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520414327) 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, 361183 + ... + 362620.

It is an arithmetic number, because the mean of its divisors is an integer number (130284720).

Almost surely, 2^520414357 is an apocalyptic number.

It is an amenable number.

520414357 is a deficient number, since it is larger than the sum of its proper divisors (724523).

520414357 is an equidigital number, since it uses as much as digits as its factorization.

520414357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724522.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 520414357 is about 22812.5920710471. The cubic root of 520414357 is about 804.3586867874.

The spelling of 520414357 in words is "five hundred twenty million, four hundred fourteen thousand, three hundred fifty-seven".