40613101 has 4 divisors (see below), whose sum is σ = 42378912. Its totient is φ = 38847292.

The previous prime is 40613099. The next prime is 40613107. The reversal of 40613101 is 10131604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40613101 - 2¹ = 40613099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40613107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 882871 + ... + 882916.

It is an arithmetic number, because the mean of its divisors is an integer number (10594728).

Almost surely, 2^40613101 is an apocalyptic number.

It is an amenable number.

40613101 is a deficient number, since it is larger than the sum of its proper divisors (1765811).

40613101 is a wasteful number, since it uses less digits than its factorization.

40613101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765810.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 40613101 is about 6372.8408892738. The cubic root of 40613101 is about 343.7336505282.

Adding to 40613101 its reverse (10131604), we get a palindrome (50744705).

The spelling of 40613101 in words is "forty million, six hundred thirteen thousand, one hundred one".