4072251 has 8 divisors (see below), whose sum is σ = 5715520. Its totient is φ = 2571912.

The previous prime is 4072249. The next prime is 4072259. The reversal of 4072251 is 1522704.

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

It is not a de Polignac number, because 4072251 - 2¹ = 4072249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4072259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35665 + ... + 35778.

It is an arithmetic number, because the mean of its divisors is an integer number (714440).

Almost surely, 2^4072251 is an apocalyptic number.

4072251 is a deficient number, since it is larger than the sum of its proper divisors (1643269).

4072251 is a wasteful number, since it uses less digits than its factorization.

4072251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71465.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 4072251 is about 2017.9819127039. The cubic root of 4072251 is about 159.6901686448.

Adding to 4072251 its reverse (1522704), we get a palindrome (5594955).

The spelling of 4072251 in words is "four million, seventy-two thousand, two hundred fifty-one".