1351331537 has 2 divisors, whose sum is σ = 1351331538. Its totient is φ = 1351331536.

The previous prime is 1351331491. The next prime is 1351331539. The reversal of 1351331537 is 7351331531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1178960896 + 172370641 = 34336^2 + 13129^2 .

It is a cyclic number.

It is not a de Polignac number, because 1351331537 - 2¹⁶ = 1351266001 is a prime.

Together with 1351331539, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1351331539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675665768 + 675665769.

It is an arithmetic number, because the mean of its divisors is an integer number (675665769).

Almost surely, 2^1351331537 is an apocalyptic number.

It is an amenable number.

1351331537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351331537 is an equidigital number, since it uses as much as digits as its factorization.

1351331537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14175, while the sum is 32.

The square root of 1351331537 is about 36760.4615993869. The cubic root of 1351331537 is about 1105.5726949517.

The spelling of 1351331537 in words is "one billion, three hundred fifty-one million, three hundred thirty-one thousand, five hundred thirty-seven".