2528305242 has 8 divisors (see below), whose sum is σ = 5056610496. Its totient is φ = 842768412.

The previous prime is 2528305217. The next prime is 2528305277. The reversal of 2528305242 is 2425038252.

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

2528305242 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210692098 + ... + 210692109.

It is an arithmetic number, because the mean of its divisors is an integer number (632076312).

Almost surely, 2^2528305242 is an apocalyptic number.

2528305242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2528305242 is a wasteful number, since it uses less digits than its factorization.

2528305242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421384212.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 2528305242 is about 50282.2557369894. The cubic root of 2528305242 is about 1362.3117476576.

The spelling of 2528305242 in words is "two billion, five hundred twenty-eight million, three hundred five thousand, two hundred forty-two".