42500497 has 8 divisors (see below), whose sum is σ = 46224360. Its totient is φ = 38841600.

The previous prime is 42500483. The next prime is 42500503. The reversal of 42500497 is 79400524.

It can be written as a sum of positive squares in 4 ways, for example, as 1745041 + 40755456 = 1321^2 + 6384^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42500497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42500197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14872 + ... + 17497.

It is an arithmetic number, because the mean of its divisors is an integer number (5778045).

Almost surely, 2^42500497 is an apocalyptic number.

It is an amenable number.

42500497 is a deficient number, since it is larger than the sum of its proper divisors (3723863).

42500497 is a wasteful number, since it uses less digits than its factorization.

42500497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32483.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 42500497 is about 6519.2405232512. The cubic root of 42500497 is about 348.9779626646.

The spelling of 42500497 in words is "forty-two million, five hundred thousand, four hundred ninety-seven".