1506133 has 4 divisors (see below), whose sum is σ = 1512940. Its totient is φ = 1499328.

The previous prime is 1506121. The next prime is 1506137. The reversal of 1506133 is 3316051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1456849 + 49284 = 1207^2 + 222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1506133 is a prime.

It is a super-2 number, since 2×1506133² = 4536873227378, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1506133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1506137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3060 + ... + 3517.

It is an arithmetic number, because the mean of its divisors is an integer number (378235).

2^1506133 is an apocalyptic number.

It is an amenable number.

1506133 is a deficient number, since it is larger than the sum of its proper divisors (6807).

1506133 is an equidigital number, since it uses as much as digits as its factorization.

1506133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6806.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 1506133 is about 1227.2461040883. The cubic root of 1506133 is about 114.6272239424.

The spelling of 1506133 in words is "one million, five hundred six thousand, one hundred thirty-three".