1537051249 has 2 divisors, whose sum is σ = 1537051250. Its totient is φ = 1537051248.

The previous prime is 1537051193. The next prime is 1537051253. The reversal of 1537051249 is 9421507351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 932874849 + 604176400 = 30543^2 + 24580^2 .

It is a cyclic number.

It is not a de Polignac number, because 1537051249 - 2⁷ = 1537051121 is a prime.

It is not a weakly prime, because it can be changed into another prime (1537051279) by changing a digit.

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, 768525624 + 768525625.

It is an arithmetic number, because the mean of its divisors is an integer number (768525625).

Almost surely, 2^1537051249 is an apocalyptic number.

It is an amenable number.

1537051249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1537051249 is an equidigital number, since it uses as much as digits as its factorization.

1537051249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 1537051249 is about 39205.2451720430. The cubic root of 1537051249 is about 1154.0628190340.

The spelling of 1537051249 in words is "one billion, five hundred thirty-seven million, fifty-one thousand, two hundred forty-nine".