42500641 has 8 divisors (see below), whose sum is σ = 44551584. Its totient is φ = 40498080.

The previous prime is 42500621. The next prime is 42500651. The reversal of 42500641 is 14600524.

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 42500641 - 2⁵ = 42500609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42500621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10291 + ... + 13816.

It is an arithmetic number, because the mean of its divisors is an integer number (5568948).

Almost surely, 2^42500641 is an apocalyptic number.

42500641 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42500641 is a deficient number, since it is larger than the sum of its proper divisors (2050943).

42500641 is a wasteful number, since it uses less digits than its factorization.

42500641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24191.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 42500641 is about 6519.2515674731. The cubic root of 42500641 is about 348.9783567994.

The spelling of 42500641 in words is "forty-two million, five hundred thousand, six hundred forty-one".