42441501 has 4 divisors (see below), whose sum is σ = 56588672. Its totient is φ = 28294332.

The previous prime is 42441493. The next prime is 42441523. The reversal of 42441501 is 10514424.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42441501 - 2³ = 42441493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42441551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7073581 + ... + 7073586.

It is an arithmetic number, because the mean of its divisors is an integer number (14147168).

Almost surely, 2^42441501 is an apocalyptic number.

It is an amenable number.

42441501 is a deficient number, since it is larger than the sum of its proper divisors (14147171).

42441501 is a wasteful number, since it uses less digits than its factorization.

42441501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14147170.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 42441501 is about 6514.7141917355. The cubic root of 42441501 is about 348.8164128862.

Adding to 42441501 its reverse (10514424), we get a palindrome (52955925).

The spelling of 42441501 in words is "forty-two million, four hundred forty-one thousand, five hundred one".