1534861 has 2 divisors, whose sum is σ = 1534862. Its totient is φ = 1534860.

The previous prime is 1534853. The next prime is 1534873. The reversal of 1534861 is 1684351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 820836 + 714025 = 906^2 + 845^2 .

It is a cyclic number.

It is not a de Polignac number, because 1534861 - 2³ = 1534853 is a prime.

1534861 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1534061) 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, 767430 + 767431.

It is an arithmetic number, because the mean of its divisors is an integer number (767431).

2^1534861 is an apocalyptic number.

It is an amenable number.

1534861 is a deficient number, since it is larger than the sum of its proper divisors (1).

1534861 is an equidigital number, since it uses as much as digits as its factorization.

1534861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 28.

The square root of 1534861 is about 1238.8950722317. The cubic root of 1534861 is about 115.3514390886.

The spelling of 1534861 in words is "one million, five hundred thirty-four thousand, eight hundred sixty-one".