520914242 has 4 divisors (see below), whose sum is σ = 781371366. Its totient is φ = 260457120.

The previous prime is 520914217. The next prime is 520914253. The reversal of 520914242 is 242419025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 497691481 + 23222761 = 22309^2 + 4819^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130228559 + ... + 130228562.

Almost surely, 2^520914242 is an apocalyptic number.

520914242 is a deficient number, since it is larger than the sum of its proper divisors (260457124).

520914242 is a wasteful number, since it uses less digits than its factorization.

520914242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260457123.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 520914242 is about 22823.5457806188. The cubic root of 520914242 is about 804.6161471256.

The spelling of 520914242 in words is "five hundred twenty million, nine hundred fourteen thousand, two hundred forty-two".