528007427 has 4 divisors (see below), whose sum is σ = 542277936. Its totient is φ = 513736920.

The previous prime is 528007423. The next prime is 528007429. The reversal of 528007427 is 724700825.

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

It is a cyclic number.

It is not a de Polignac number, because 528007427 - 2² = 528007423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528007423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7135199 + ... + 7135272.

It is an arithmetic number, because the mean of its divisors is an integer number (135569484).

Almost surely, 2^528007427 is an apocalyptic number.

528007427 is a deficient number, since it is larger than the sum of its proper divisors (14270509).

528007427 is a wasteful number, since it uses less digits than its factorization.

528007427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14270508.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 528007427 is about 22978.4121949277. The cubic root of 528007427 is about 808.2517937897.

The spelling of 528007427 in words is "five hundred twenty-eight million, seven thousand, four hundred twenty-seven".