1530863 has 2 divisors, whose sum is σ = 1530864. Its totient is φ = 1530862.

The previous prime is 1530853. The next prime is 1530869. The reversal of 1530863 is 3680351.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1530863 - 2⁴ = 1530847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1530869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765431 + 765432.

It is an arithmetic number, because the mean of its divisors is an integer number (765432).

2^1530863 is an apocalyptic number.

1530863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530863 is an equidigital number, since it uses as much as digits as its factorization.

1530863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1530863 is about 1237.2804855812. The cubic root of 1530863 is about 115.2511963399.

The spelling of 1530863 in words is "one million, five hundred thirty thousand, eight hundred sixty-three".