40162253 has 2 divisors, whose sum is σ = 40162254. Its totient is φ = 40162252.

The previous prime is 40162237. The next prime is 40162261. The reversal of 40162253 is 35226104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35844169 + 4318084 = 5987^2 + 2078^2 .

It is a cyclic number.

It is not a de Polignac number, because 40162253 - 2⁴ = 40162237 is a prime.

It is a super-3 number, since 3×40162253³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40162223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20081126 + 20081127.

It is an arithmetic number, because the mean of its divisors is an integer number (20081127).

Almost surely, 2^40162253 is an apocalyptic number.

It is an amenable number.

40162253 is a deficient number, since it is larger than the sum of its proper divisors (1).

40162253 is an equidigital number, since it uses as much as digits as its factorization.

40162253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 40162253 is about 6337.3695647327. The cubic root of 40162253 is about 342.4569800514.

Adding to 40162253 its reverse (35226104), we get a palindrome (75388357).

The spelling of 40162253 in words is "forty million, one hundred sixty-two thousand, two hundred fifty-three".