42454953 has 6 divisors (see below), whose sum is σ = 61323834. Its totient is φ = 28303296.

The previous prime is 42454943. The next prime is 42454969. The reversal of 42454953 is 35945424.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 26749584 + 15705369 = 5172^2 + 3963^2 .

It is not a de Polignac number, because 42454953 - 2¹⁸ = 42192809 is a prime.

It is a super-3 number, since 3×42454953³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42454913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2358600 + ... + 2358617.

It is an arithmetic number, because the mean of its divisors is an integer number (10220639).

Almost surely, 2^42454953 is an apocalyptic number.

It is an amenable number.

42454953 is a deficient number, since it is larger than the sum of its proper divisors (18868881).

42454953 is a wasteful number, since it uses less digits than its factorization.

42454953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4717223 (or 4717220 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 42454953 is about 6515.7465420318. The cubic root of 42454953 is about 348.8532619028.

The spelling of 42454953 in words is "forty-two million, four hundred fifty-four thousand, nine hundred fifty-three".