4251975 has 72 divisors (see below), whose sum is σ = 8905680. Its totient is φ = 1774080.

The previous prime is 4251971. The next prime is 4252019. The reversal of 4251975 is 5791524.

It is not a de Polignac number, because 4251975 - 2² = 4251971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4251971) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 47731 + ... + 47819.

It is an arithmetic number, because the mean of its divisors is an integer number (123690).

Almost surely, 2^4251975 is an apocalyptic number.

4251975 is an abundant number, since it is smaller than the sum of its proper divisors (4653705).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4251975 is a wasteful number, since it uses less digits than its factorization.

4251975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 117 counting only the distinct ones).

The product of its digits is 12600, while the sum is 33.

The square root of 4251975 is about 2062.0317650318. The cubic root of 4251975 is about 162.0056772892.

The spelling of 4251975 in words is "four million, two hundred fifty-one thousand, nine hundred seventy-five".