522470749 has 8 divisors (see below), whose sum is σ = 538211520. Its totient is φ = 506872800.

The previous prime is 522470731. The next prime is 522470777. The reversal of 522470749 is 947074225.

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

It is a cyclic number.

It is not a de Polignac number, because 522470749 - 2¹³ = 522462557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522470779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28257 + ... + 42934.

It is an arithmetic number, because the mean of its divisors is an integer number (67276440).

Almost surely, 2^522470749 is an apocalyptic number.

It is an amenable number.

522470749 is a deficient number, since it is larger than the sum of its proper divisors (15740771).

522470749 is a wasteful number, since it uses less digits than its factorization.

522470749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71411.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 522470749 is about 22857.6190579859. The cubic root of 522470749 is about 805.4167557720.

The spelling of 522470749 in words is "five hundred twenty-two million, four hundred seventy thousand, seven hundred forty-nine".