1505507 has 2 divisors, whose sum is σ = 1505508. Its totient is φ = 1505506.

The previous prime is 1505489. The next prime is 1505519. The reversal of 1505507 is 7055051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1505507 - 2⁶ = 1505443 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1505587) 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, 752753 + 752754.

It is an arithmetic number, because the mean of its divisors is an integer number (752754).

2^1505507 is an apocalyptic number.

1505507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1505507 is an equidigital number, since it uses as much as digits as its factorization.

1505507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 875, while the sum is 23.

The square root of 1505507 is about 1226.9910350121. The cubic root of 1505507 is about 114.6113407533.

The spelling of 1505507 in words is "one million, five hundred five thousand, five hundred seven".