2528357242 has 8 divisors (see below), whose sum is σ = 3827330100. Its totient is φ = 1252580544.

The previous prime is 2528357233. The next prime is 2528357281. The reversal of 2528357242 is 2427538252.

It can be written as a sum of positive squares in 2 ways, for example, as 2317555881 + 210801361 = 48141^2 + 14519^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2528357195 and 2528357204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5798767 + ... + 5799202.

Almost surely, 2^2528357242 is an apocalyptic number.

2528357242 is a deficient number, since it is larger than the sum of its proper divisors (1298972858).

2528357242 is a wasteful number, since it uses less digits than its factorization.

2528357242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11598080.

The product of its digits is 268800, while the sum is 40.

The square root of 2528357242 is about 50282.7728153490. The cubic root of 2528357242 is about 1362.3210872110.

The spelling of 2528357242 in words is "two billion, five hundred twenty-eight million, three hundred fifty-seven thousand, two hundred forty-two".