40507 has 2 divisors, whose sum is σ = 40508. Its totient is φ = 40506.

The previous prime is 40499. The next prime is 40519. The reversal of 40507 is 70504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40507 - 2³ = 40499 is a prime.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (40577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20253 + 20254.

It is an arithmetic number, because the mean of its divisors is an integer number (20254).

2⁴⁰⁵⁰⁷ is an apocalyptic number.

40507 is a deficient number, since it is larger than the sum of its proper divisors (1).

40507 is an equidigital number, since it uses as much as digits as its factorization.

40507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 40507 is about 201.2635088634. The cubic root of 40507 is about 34.3434056811.

The spelling of 40507 in words is "forty thousand, five hundred seven".