40953257 has 4 divisors (see below), whose sum is σ = 41647440. Its totient is φ = 40259076.

The previous prime is 40953247. The next prime is 40953277. The reversal of 40953257 is 75235904.

40953257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40953257 - 2⁶ = 40953193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40953247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347003 + ... + 347120.

It is an arithmetic number, because the mean of its divisors is an integer number (10411860).

Almost surely, 2^40953257 is an apocalyptic number.

It is an amenable number.

40953257 is a deficient number, since it is larger than the sum of its proper divisors (694183).

40953257 is an equidigital number, since it uses as much as digits as its factorization.

40953257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694182.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 40953257 is about 6399.4731814424. The cubic root of 40953257 is about 344.6906335426.

The spelling of 40953257 in words is "forty million, nine hundred fifty-three thousand, two hundred fifty-seven".