40613065 has 16 divisors (see below), whose sum is σ = 49735296. Its totient is φ = 31830400.

The previous prime is 40613059. The next prime is 40613071. The reversal of 40613065 is 56031604.

It is an interprime number because it is at equal distance from previous prime (40613059) and next prime (40613071).

It is not a de Polignac number, because 40613065 - 2³ = 40613057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82470 + ... + 82960.

It is an arithmetic number, because the mean of its divisors is an integer number (3108456).

Almost surely, 2^40613065 is an apocalyptic number.

It is an amenable number.

40613065 is a deficient number, since it is larger than the sum of its proper divisors (9122231).

40613065 is a wasteful number, since it uses less digits than its factorization.

40613065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 40613065 is about 6372.8380647871. The cubic root of 40613065 is about 343.7335489648.

Adding to 40613065 its reverse (56031604), we get a palindrome (96644669).

The spelling of 40613065 in words is "forty million, six hundred thirteen thousand, sixty-five".