42273025 has 12 divisors (see below), whose sum is σ = 52911792. Its totient is φ = 33500240.

The previous prime is 42273001. The next prime is 42273029. The reversal of 42273025 is 52037224.

It is not a de Polignac number, because 42273025 - 2⁹ = 42272513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42273029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5227 + ... + 10576.

It is an arithmetic number, because the mean of its divisors is an integer number (4409316).

Almost surely, 2^42273025 is an apocalyptic number.

It is an amenable number.

42273025 is a deficient number, since it is larger than the sum of its proper divisors (10638767).

42273025 is a wasteful number, since it uses less digits than its factorization.

42273025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15920 (or 15915 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 42273025 is about 6501.7709126053. The cubic root of 42273025 is about 348.3542463324.

The spelling of 42273025 in words is "forty-two million, two hundred seventy-three thousand, twenty-five".