40610513 has 2 divisors, whose sum is σ = 40610514. Its totient is φ = 40610512.

The previous prime is 40610483. The next prime is 40610519. The reversal of 40610513 is 31501604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40538689 + 71824 = 6367^2 + 268^2 .

It is a cyclic number.

It is not a de Polignac number, because 40610513 - 2⁸ = 40610257 is a prime.

It is a super-2 number, since 2×40610513² = 3298427532246338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40610519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20305256 + 20305257.

It is an arithmetic number, because the mean of its divisors is an integer number (20305257).

Almost surely, 2^40610513 is an apocalyptic number.

It is an amenable number.

40610513 is a deficient number, since it is larger than the sum of its proper divisors (1).

40610513 is an equidigital number, since it uses as much as digits as its factorization.

40610513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 40610513 is about 6372.6378368773. The cubic root of 40610513 is about 343.7263490946.

The spelling of 40610513 in words is "forty million, six hundred ten thousand, five hundred thirteen".