1537484497 has 2 divisors, whose sum is σ = 1537484498. Its totient is φ = 1537484496.

The previous prime is 1537484467. The next prime is 1537484591. The reversal of 1537484497 is 7944847351.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1345495761 + 191988736 = 36681^2 + 13856^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1537484497 is a prime.

It is not a weakly prime, because it can be changed into another prime (1537484467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 768742248 + 768742249.

It is an arithmetic number, because the mean of its divisors is an integer number (768742249).

Almost surely, 2^1537484497 is an apocalyptic number.

It is an amenable number.

1537484497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1537484497 is an equidigital number, since it uses as much as digits as its factorization.

1537484497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 52.

The square root of 1537484497 is about 39210.7701658613. The cubic root of 1537484497 is about 1154.1712405842.

The spelling of 1537484497 in words is "one billion, five hundred thirty-seven million, four hundred eighty-four thousand, four hundred ninety-seven".