42953453 has 2 divisors, whose sum is σ = 42953454. Its totient is φ = 42953452.

The previous prime is 42953401. The next prime is 42953461. The reversal of 42953453 is 35435924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41705764 + 1247689 = 6458^2 + 1117^2 .

It is a cyclic number.

It is not a de Polignac number, because 42953453 - 2¹⁶ = 42887917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42953483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21476726 + 21476727.

It is an arithmetic number, because the mean of its divisors is an integer number (21476727).

Almost surely, 2^42953453 is an apocalyptic number.

It is an amenable number.

42953453 is a deficient number, since it is larger than the sum of its proper divisors (1).

42953453 is an equidigital number, since it uses as much as digits as its factorization.

42953453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 35.

The square root of 42953453 is about 6553.8883878199. Note that the first 3 decimals coincide. The cubic root of 42953453 is about 350.2133474756.

The spelling of 42953453 in words is "forty-two million, nine hundred fifty-three thousand, four hundred fifty-three".