42541251 has 8 divisors (see below), whose sum is σ = 57928704. Its totient is φ = 27757320.

The previous prime is 42541249. The next prime is 42541267. The reversal of 42541251 is 15214524.

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

It is not a de Polignac number, because 42541251 - 2¹ = 42541249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42541201) 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, 150715 + ... + 150996.

It is an arithmetic number, because the mean of its divisors is an integer number (7241088).

Almost surely, 2^42541251 is an apocalyptic number.

42541251 is a deficient number, since it is larger than the sum of its proper divisors (15387453).

42541251 is a wasteful number, since it uses less digits than its factorization.

42541251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301761.

The product of its digits is 1600, while the sum is 24.

The square root of 42541251 is about 6522.3654451433. The cubic root of 42541251 is about 349.0894727675.

Adding to 42541251 its reverse (15214524), we get a palindrome (57755775).

The spelling of 42541251 in words is "forty-two million, five hundred forty-one thousand, two hundred fifty-one".