1357507 has 2 divisors, whose sum is σ = 1357508. Its totient is φ = 1357506.

The previous prime is 1357463. The next prime is 1357513. The reversal of 1357507 is 7057531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1357507 - 2¹⁹ = 833219 is a prime.

It is not a weakly prime, because it can be changed into another prime (1357537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678753 + 678754.

It is an arithmetic number, because the mean of its divisors is an integer number (678754).

2^1357507 is an apocalyptic number.

1357507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1357507 is an equidigital number, since it uses as much as digits as its factorization.

1357507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3675, while the sum is 28.

The square root of 1357507 is about 1165.1210237568. The cubic root of 1357507 is about 110.7254258450.

The spelling of 1357507 in words is "one million, three hundred fifty-seven thousand, five hundred seven".