1572053242 has 8 divisors (see below), whose sum is σ = 2415594132. Its totient is φ = 766855200.

The previous prime is 1572053239. The next prime is 1572053261. The reversal of 1572053242 is 2423502751.

It can be written as a sum of positive squares in 2 ways, for example, as 1182740881 + 389312361 = 34391^2 + 19731^2 .

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

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, 9585609 + ... + 9585772.

Almost surely, 2^1572053242 is an apocalyptic number.

1572053242 is a deficient number, since it is larger than the sum of its proper divisors (843540890).

1572053242 is a wasteful number, since it uses less digits than its factorization.

1572053242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19171424.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 1572053242 is about 39649.1266234201. The cubic root of 1572053242 is about 1162.7573234195.

Adding to 1572053242 its reverse (2423502751), we get a palindrome (3995555993).

The spelling of 1572053242 in words is "one billion, five hundred seventy-two million, fifty-three thousand, two hundred forty-two".