526042321 has 8 divisors (see below), whose sum is σ = 607028864. Its totient is φ = 446515200.

The previous prime is 526042313. The next prime is 526042327. The reversal of 526042321 is 123240625.

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 526042321 - 2³ = 526042313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (526042327) 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, 364080 + ... + 365521.

It is an arithmetic number, because the mean of its divisors is an integer number (75878608).

Almost surely, 2^526042321 is an apocalyptic number.

It is an amenable number.

526042321 is a deficient number, since it is larger than the sum of its proper divisors (80986543).

526042321 is a wasteful number, since it uses less digits than its factorization.

526042321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729711.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 526042321 is about 22935.6125054466. The cubic root of 526042321 is about 807.2478464550.

Adding to 526042321 its reverse (123240625), we get a palindrome (649282946).

The spelling of 526042321 in words is "five hundred twenty-six million, forty-two thousand, three hundred twenty-one".