4507691 has 2 divisors, whose sum is σ = 4507692. Its totient is φ = 4507690.

The previous prime is 4507667. The next prime is 4507729. The reversal of 4507691 is 1967054.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4507691 - 2²² = 313387 is a prime.

It is not a weakly prime, because it can be changed into another prime (4507651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2253845 + 2253846.

It is an arithmetic number, because the mean of its divisors is an integer number (2253846).

Almost surely, 2^4507691 is an apocalyptic number.

4507691 is a deficient number, since it is larger than the sum of its proper divisors (1).

4507691 is an equidigital number, since it uses as much as digits as its factorization.

4507691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 4507691 is about 2123.1323557423. The cubic root of 4507691 is about 165.1903649206.

The spelling of 4507691 in words is "four million, five hundred seven thousand, six hundred ninety-one".