40705001 has 2 divisors, whose sum is σ = 40705002. Its totient is φ = 40705000.

The previous prime is 40704991. The next prime is 40705033. The reversal of 40705001 is 10050704.

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., 33918976 + 6786025 = 5824^2 + 2605^2 .

It is a cyclic number.

It is not a de Polignac number, because 40705001 - 2²² = 36510697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40005001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20352500 + 20352501.

It is an arithmetic number, because the mean of its divisors is an integer number (20352501).

Almost surely, 2^40705001 is an apocalyptic number.

It is an amenable number.

40705001 is a deficient number, since it is larger than the sum of its proper divisors (1).

40705001 is an equidigital number, since it uses as much as digits as its factorization.

40705001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 40705001 is about 6380.0471001396. The cubic root of 40705001 is about 343.9927239537.

Adding to 40705001 its reverse (10050704), we get a palindrome (50755705).

The spelling of 40705001 in words is "forty million, seven hundred five thousand, one".