1537427 has 2 divisors, whose sum is σ = 1537428. Its totient is φ = 1537426.

The previous prime is 1537421. The next prime is 1537439. The reversal of 1537427 is 7247351.

It is a weak prime.

It is an emirp because it is prime and its reverse (7247351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1537427 - 2⁴ = 1537411 is a prime.

It is a Chen prime.

It is equal to p₁₁₆₇₈₆ and since 1537427 and 116786 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1537427.

It is not a weakly prime, because it can be changed into another prime (1537421) 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, 768713 + 768714.

It is an arithmetic number, because the mean of its divisors is an integer number (768714).

2^1537427 is an apocalyptic number.

1537427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1537427 is an equidigital number, since it uses as much as digits as its factorization.

1537427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5880, while the sum is 29.

The square root of 1537427 is about 1239.9302399732. The cubic root of 1537427 is about 115.4156852968.

The spelling of 1537427 in words is "one million, five hundred thirty-seven thousand, four hundred twenty-seven".