40662253 has 2 divisors, whose sum is σ = 40662254. Its totient is φ = 40662252.

The previous prime is 40662239. The next prime is 40662287. The reversal of 40662253 is 35226604.

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., 34892649 + 5769604 = 5907^2 + 2402^2 .

It is a cyclic number.

It is not a de Polignac number, because 40662253 - 2⁵ = 40662221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40662203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20331126 + 20331127.

It is an arithmetic number, because the mean of its divisors is an integer number (20331127).

Almost surely, 2^40662253 is an apocalyptic number.

It is an amenable number.

40662253 is a deficient number, since it is larger than the sum of its proper divisors (1).

40662253 is an equidigital number, since it uses as much as digits as its factorization.

40662253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 40662253 is about 6376.6960881008. The cubic root of 40662253 is about 343.8722624929.

Adding to 40662253 its reverse (35226604), we get a palindrome (75888857).

The spelling of 40662253 in words is "forty million, six hundred sixty-two thousand, two hundred fifty-three".