842540529 has 8 divisors (see below), whose sum is σ = 1150787232. Its totient is φ = 547993760.

The previous prime is 842540527. The next prime is 842540539. The reversal of 842540529 is 925045248.

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 842540529 - 2¹ = 842540527 is a prime.

It is not an unprimeable number, because it can be changed into a prime (842540527) 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, 3424839 + ... + 3425084.

It is an arithmetic number, because the mean of its divisors is an integer number (143848404).

Almost surely, 2^842540529 is an apocalyptic number.

It is an amenable number.

842540529 is a deficient number, since it is larger than the sum of its proper divisors (308246703).

842540529 is a wasteful number, since it uses less digits than its factorization.

842540529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6849967.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 842540529 is about 29026.5486925332. The cubic root of 842540529 is about 944.4890639645.

The spelling of 842540529 in words is "eight hundred forty-two million, five hundred forty thousand, five hundred twenty-nine".