1542533 has 2 divisors, whose sum is σ = 1542534. Its totient is φ = 1542532.

The previous prime is 1542523. The next prime is 1542551. The reversal of 1542533 is 3352451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 833569 + 708964 = 913^2 + 842^2 .

It is a cyclic number.

It is not a de Polignac number, because 1542533 - 2⁴ = 1542517 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1542499 and 1542508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1542503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771266 + 771267.

It is an arithmetic number, because the mean of its divisors is an integer number (771267).

2^1542533 is an apocalyptic number.

It is an amenable number.

1542533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542533 is an equidigital number, since it uses as much as digits as its factorization.

1542533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 23.

The square root of 1542533 is about 1241.9875200661. The cubic root of 1542533 is about 115.5433144016.

Adding to 1542533 its reverse (3352451), we get a palindrome (4894984).

The spelling of 1542533 in words is "one million, five hundred forty-two thousand, five hundred thirty-three".