1538963 has 2 divisors, whose sum is σ = 1538964. Its totient is φ = 1538962.

The previous prime is 1538951. The next prime is 1538983. The reversal of 1538963 is 3698351.

It is a weak prime.

It is an emirp because it is prime and its reverse (3698351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1538963 - 2¹⁴ = 1522579 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1538983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 769481 + 769482.

It is an arithmetic number, because the mean of its divisors is an integer number (769482).

2^1538963 is an apocalyptic number.

1538963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1538963 is an equidigital number, since it uses as much as digits as its factorization.

1538963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 35.

The square root of 1538963 is about 1240.5494750311. The cubic root of 1538963 is about 115.4541086902.

The spelling of 1538963 in words is "one million, five hundred thirty-eight thousand, nine hundred sixty-three".