40517061 has 16 divisors (see below), whose sum is σ = 59599680. Its totient is φ = 24324480.

The previous prime is 40517047. The next prime is 40517077. The reversal of 40517061 is 16071504.

It is a de Polignac number, because none of the positive numbers 2^k-40517061 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40517041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11071 + ... + 14268.

It is an arithmetic number, because the mean of its divisors is an integer number (3724980).

Almost surely, 2^40517061 is an apocalyptic number.

40517061 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40517061 is a deficient number, since it is larger than the sum of its proper divisors (19082619).

40517061 is a wasteful number, since it uses less digits than its factorization.

40517061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25396.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 40517061 is about 6365.3013282955. The cubic root of 40517061 is about 343.4624881436.

Adding to 40517061 its reverse (16071504), we get a palindrome (56588565).

The spelling of 40517061 in words is "forty million, five hundred seventeen thousand, sixty-one".