42501275 has 12 divisors (see below), whose sum is σ = 55802232. Its totient is φ = 32000640.

The previous prime is 42501259. The next prime is 42501287. The reversal of 42501275 is 57210524.

It is not a de Polignac number, because 42501275 - 2⁴ = 42501259 is a prime.

It is a Duffinian number.

42501275 is a modest number, since divided by 1275 gives 425 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49577 + ... + 50426.

It is an arithmetic number, because the mean of its divisors is an integer number (4650186).

Almost surely, 2^42501275 is an apocalyptic number.

42501275 is a deficient number, since it is larger than the sum of its proper divisors (13300957).

42501275 is a wasteful number, since it uses less digits than its factorization.

42501275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100030 (or 100025 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 42501275 is about 6519.3001925053. The cubic root of 42501275 is about 348.9800920766.

Adding to 42501275 its reverse (57210524), we get a palindrome (99711799).

The spelling of 42501275 in words is "forty-two million, five hundred one thousand, two hundred seventy-five".