40513007 has 2 divisors, whose sum is σ = 40513008. Its totient is φ = 40513006.

The previous prime is 40513003. The next prime is 40513027. The reversal of 40513007 is 70031504.

It is a happy number.

It is an a-pointer prime, because the next prime (40513027) can be obtained adding 40513007 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40513007 - 2² = 40513003 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40513007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40513003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20256503 + 20256504.

It is an arithmetic number, because the mean of its divisors is an integer number (20256504).

Almost surely, 2^40513007 is an apocalyptic number.

40513007 is a deficient number, since it is larger than the sum of its proper divisors (1).

40513007 is an equidigital number, since it uses as much as digits as its factorization.

40513007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 40513007 is about 6364.9828750752. The cubic root of 40513007 is about 343.4510325302.

The spelling of 40513007 in words is "forty million, five hundred thirteen thousand, seven".