40953169 has 2 divisors, whose sum is σ = 40953170. Its totient is φ = 40953168.

The previous prime is 40953167. The next prime is 40953193. The reversal of 40953169 is 96135904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30636225 + 10316944 = 5535^2 + 3212^2 .

It is a cyclic number.

It is not a de Polignac number, because 40953169 - 2¹ = 40953167 is a prime.

It is a super-2 number, since 2×40953169² = 3354324102285122, which contains 22 as substring.

Together with 40953167, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40953161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20476584 + 20476585.

It is an arithmetic number, because the mean of its divisors is an integer number (20476585).

Almost surely, 2^40953169 is an apocalyptic number.

It is an amenable number.

40953169 is a deficient number, since it is larger than the sum of its proper divisors (1).

40953169 is an equidigital number, since it uses as much as digits as its factorization.

40953169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 40953169 is about 6399.4663058727. The cubic root of 40953169 is about 344.6903866531.

It can be divided in two parts, 409531 and 69, that added together give a square (409600 = 640²).

The spelling of 40953169 in words is "forty million, nine hundred fifty-three thousand, one hundred sixty-nine".