40654297 has 2 divisors, whose sum is σ = 40654298. Its totient is φ = 40654296.

The previous prime is 40654291. The next prime is 40654321. The reversal of 40654297 is 79245604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33977241 + 6677056 = 5829^2 + 2584^2 .

It is a cyclic number.

It is not a de Polignac number, because 40654297 - 2⁷ = 40654169 is a prime.

It is not a weakly prime, because it can be changed into another prime (40654291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20327148 + 20327149.

It is an arithmetic number, because the mean of its divisors is an integer number (20327149).

Almost surely, 2^40654297 is an apocalyptic number.

It is an amenable number.

40654297 is a deficient number, since it is larger than the sum of its proper divisors (1).

40654297 is an equidigital number, since it uses as much as digits as its factorization.

40654297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 40654297 is about 6376.0722235558. The cubic root of 40654297 is about 343.8498336146.

The spelling of 40654297 in words is "forty million, six hundred fifty-four thousand, two hundred ninety-seven".