1537053242 has 4 divisors (see below), whose sum is σ = 2305579866. Its totient is φ = 768526620.

The previous prime is 1537053239. The next prime is 1537053257. The reversal of 1537053242 is 2423507351.

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

It can be written as a sum of positive squares in only one way, i.e., 1425138001 + 111915241 = 37751^2 + 10579^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1537053199 and 1537053208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384263309 + ... + 384263312.

Almost surely, 2^1537053242 is an apocalyptic number.

1537053242 is a deficient number, since it is larger than the sum of its proper divisors (768526624).

1537053242 is an equidigital number, since it uses as much as digits as its factorization.

1537053242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768526623.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 1537053242 is about 39205.2705895521. The cubic root of 1537053242 is about 1154.0633178346.

The spelling of 1537053242 in words is "one billion, five hundred thirty-seven million, fifty-three thousand, two hundred forty-two".