40953197 has 2 divisors, whose sum is σ = 40953198. Its totient is φ = 40953196.

The previous prime is 40953193. The next prime is 40953203. The reversal of 40953197 is 79135904.

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., 39363076 + 1590121 = 6274^2 + 1261^2 .

It is a cyclic number.

It is not a de Polignac number, because 40953197 - 2² = 40953193 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40953197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40953193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20476598 + 20476599.

It is an arithmetic number, because the mean of its divisors is an integer number (20476599).

Almost surely, 2^40953197 is an apocalyptic number.

It is an amenable number.

40953197 is a deficient number, since it is larger than the sum of its proper divisors (1).

40953197 is an equidigital number, since it uses as much as digits as its factorization.

40953197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 40953197 is about 6399.4684935548. The cubic root of 40953197 is about 344.6904652089.

The spelling of 40953197 in words is "forty million, nine hundred fifty-three thousand, one hundred ninety-seven".