40613401 has 2 divisors, whose sum is σ = 40613402. Its totient is φ = 40613400.

The previous prime is 40613399. The next prime is 40613407. The reversal of 40613401 is 10431604.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27825625 + 12787776 = 5275^2 + 3576^2 .

It is a cyclic number.

It is not a de Polignac number, because 40613401 - 2¹ = 40613399 is a prime.

Together with 40613399, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40613407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20306700 + 20306701.

It is an arithmetic number, because the mean of its divisors is an integer number (20306701).

Almost surely, 2^40613401 is an apocalyptic number.

It is an amenable number.

40613401 is a deficient number, since it is larger than the sum of its proper divisors (1).

40613401 is an equidigital number, since it uses as much as digits as its factorization.

40613401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 40613401 is about 6372.8644266138. The cubic root of 40613401 is about 343.7344968876.

It can be divided in two parts, 40613 and 401, that added together give a palindrome (41014).

The spelling of 40613401 in words is "forty million, six hundred thirteen thousand, four hundred one".