526288397 has 8 divisors (see below), whose sum is σ = 558363456. Its totient is φ = 494337472.

The previous prime is 526288387. The next prime is 526288421. The reversal of 526288397 is 793882625.

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 526288397 - 2¹⁰ = 526287373 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 (526288327) 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, 22223 + ... + 39324.

It is an arithmetic number, because the mean of its divisors is an integer number (69795432).

Almost surely, 2^526288397 is an apocalyptic number.

It is an amenable number.

526288397 is a deficient number, since it is larger than the sum of its proper divisors (32075059).

526288397 is a wasteful number, since it uses less digits than its factorization.

526288397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62067.

The product of its digits is 1451520, while the sum is 50.

The square root of 526288397 is about 22940.9763741651. The cubic root of 526288397 is about 807.3737003054.

The spelling of 526288397 in words is "five hundred twenty-six million, two hundred eighty-eight thousand, three hundred ninety-seven".