40252061 has 4 divisors (see below), whose sum is σ = 40419324. Its totient is φ = 40084800.

The previous prime is 40252033. The next prime is 40252063. The reversal of 40252061 is 16025204.

It is a happy number.

40252061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19412836 + 20839225 = 4406^2 + 4565^2 .

It is a cyclic number.

It is not a de Polignac number, because 40252061 - 2¹⁴ = 40235677 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 (40252063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83270 + ... + 83751.

It is an arithmetic number, because the mean of its divisors is an integer number (10104831).

Almost surely, 2^40252061 is an apocalyptic number.

It is an amenable number.

40252061 is a deficient number, since it is larger than the sum of its proper divisors (167263).

40252061 is a wasteful number, since it uses less digits than its factorization.

40252061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167262.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 40252061 is about 6344.4511977002. The cubic root of 40252061 is about 342.7120494119.

Adding to 40252061 its reverse (16025204), we get a palindrome (56277265).

The spelling of 40252061 in words is "forty million, two hundred fifty-two thousand, sixty-one".