42501254 has 16 divisors (see below), whose sum is σ = 65346048. Its totient is φ = 20722632.

The previous prime is 42501253. The next prime is 42501259. The reversal of 42501254 is 45210524.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42501253) 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, 31967 + ... + 33269.

It is an arithmetic number, because the mean of its divisors is an integer number (4084128).

Almost surely, 2^42501254 is an apocalyptic number.

42501254 is a deficient number, since it is larger than the sum of its proper divisors (22844794).

42501254 is a wasteful number, since it uses less digits than its factorization.

42501254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 42501254 is about 6519.2985819028. The cubic root of 42501254 is about 348.9800345992.

Adding to 42501254 its reverse (45210524), we get a palindrome (87711778).

The spelling of 42501254 in words is "forty-two million, five hundred one thousand, two hundred fifty-four".