522749697 has 8 divisors (see below), whose sum is σ = 697110144. Its totient is φ = 348444528.

The previous prime is 522749693. The next prime is 522749701. The reversal of 522749697 is 796947225.

It is an interprime number because it is at equal distance from previous prime (522749693) and next prime (522749701).

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

It is not a de Polignac number, because 522749697 - 2² = 522749693 is a prime.

It is not an unprimeable number, because it can be changed into a prime (522749693) 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, 20248 + ... + 38150.

It is an arithmetic number, because the mean of its divisors is an integer number (87138768).

Almost surely, 2^522749697 is an apocalyptic number.

It is an amenable number.

522749697 is a deficient number, since it is larger than the sum of its proper divisors (174360447).

522749697 is a wasteful number, since it uses less digits than its factorization.

522749697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27639.

The product of its digits is 1905120, while the sum is 51.

The square root of 522749697 is about 22863.7201041300. The cubic root of 522749697 is about 805.5600680510.

The spelling of 522749697 in words is "five hundred twenty-two million, seven hundred forty-nine thousand, six hundred ninety-seven".