1537241 has 2 divisors, whose sum is σ = 1537242. Its totient is φ = 1537240.

The previous prime is 1537223. The next prime is 1537247. The reversal of 1537241 is 1427351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1488400 + 48841 = 1220^2 + 221^2 .

It is a cyclic number.

It is not a de Polignac number, because 1537241 - 2⁶ = 1537177 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1537247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 768620 + 768621.

It is an arithmetic number, because the mean of its divisors is an integer number (768621).

2^1537241 is an apocalyptic number.

It is an amenable number.

1537241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1537241 is an equidigital number, since it uses as much as digits as its factorization.

1537241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 23.

The square root of 1537241 is about 1239.8552334849. The cubic root of 1537241 is about 115.4110307271.

The spelling of 1537241 in words is "one million, five hundred thirty-seven thousand, two hundred forty-one".