42498245 has 8 divisors (see below), whose sum is σ = 51041016. Its totient is φ = 33969856.

The previous prime is 42498229. The next prime is 42498271. The reversal of 42498245 is 54289424.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4169764 + 38328481 = 2042^2 + 6191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42498245 - 2⁴ = 42498229 is a prime.

It is a super-2 number, since 2×42498245² = 3612201656160050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42498199 and 42498208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4619 + ... + 10311.

It is an arithmetic number, because the mean of its divisors is an integer number (6380127).

Almost surely, 2^42498245 is an apocalyptic number.

It is an amenable number.

42498245 is a deficient number, since it is larger than the sum of its proper divisors (8542771).

42498245 is a wasteful number, since it uses less digits than its factorization.

42498245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7191.

The product of its digits is 92160, while the sum is 38.

The square root of 42498245 is about 6519.0678014575. The cubic root of 42498245 is about 348.9717987190.

The spelling of 42498245 in words is "forty-two million, four hundred ninety-eight thousand, two hundred forty-five".