42953 has 2 divisors, whose sum is σ = 42954. Its totient is φ = 42952.

The previous prime is 42943. The next prime is 42961. The reversal of 42953 is 35924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26569 + 16384 = 163^2 + 128^2 .

42953 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 42953 - 2⁴ = 42937 is a prime.

It is a d-powerful number, because it can be written as 4⁴ + 2¹⁵ + 9⁴ + 5⁵ + 3⁵ .

It is not a weakly prime, because it can be changed into another prime (42923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21476 + 21477.

It is an arithmetic number, because the mean of its divisors is an integer number (21477).

2⁴²⁹⁵³ is an apocalyptic number.

It is an amenable number.

42953 is a deficient number, since it is larger than the sum of its proper divisors (1).

42953 is an equidigital number, since it uses as much as digits as its factorization.

42953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 23.

The square root of 42953 is about 207.2510554859. The cubic root of 42953 is about 35.0212116320.

The spelling of 42953 in words is "forty-two thousand, nine hundred fifty-three".