40974253 has 2 divisors, whose sum is σ = 40974254. Its totient is φ = 40974252.

The previous prime is 40974239. The next prime is 40974257. The reversal of 40974253 is 35247904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35010889 + 5963364 = 5917^2 + 2442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40974253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40974257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20487126 + 20487127.

It is an arithmetic number, because the mean of its divisors is an integer number (20487127).

Almost surely, 2^40974253 is an apocalyptic number.

It is an amenable number.

40974253 is a deficient number, since it is larger than the sum of its proper divisors (1).

40974253 is an equidigital number, since it uses as much as digits as its factorization.

40974253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 40974253 is about 6401.1134187733. The cubic root of 40974253 is about 344.7495290465.

The spelling of 40974253 in words is "forty million, nine hundred seventy-four thousand, two hundred fifty-three".