42450501 has 8 divisors (see below), whose sum is σ = 58426624. Its totient is φ = 27387360.

The previous prime is 42450497. The next prime is 42450517. The reversal of 42450501 is 10505424.

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

It is not a de Polignac number, because 42450501 - 2² = 42450497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42450301) 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, 228136 + ... + 228321.

It is an arithmetic number, because the mean of its divisors is an integer number (7303328).

Almost surely, 2^42450501 is an apocalyptic number.

It is an amenable number.

42450501 is a deficient number, since it is larger than the sum of its proper divisors (15976123).

42450501 is a wasteful number, since it uses less digits than its factorization.

42450501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456491.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 42450501 is about 6515.4048991601. The cubic root of 42450501 is about 348.8410674167.

Adding to 42450501 its reverse (10505424), we get a palindrome (52955925).

The spelling of 42450501 in words is "forty-two million, four hundred fifty thousand, five hundred one".