4001501 has 8 divisors (see below), whose sum is σ = 4591104. Its totient is φ = 3416400.

The previous prime is 4001483. The next prime is 4001509. The reversal of 4001501 is 1051004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4001501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001509) 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, 1076 + ... + 3026.

It is an arithmetic number, because the mean of its divisors is an integer number (573888).

Almost surely, 2^4001501 is an apocalyptic number.

It is an amenable number.

4001501 is a deficient number, since it is larger than the sum of its proper divisors (589603).

4001501 is a wasteful number, since it uses less digits than its factorization.

4001501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 4001501 is about 2000.3752148035. The cubic root of 4001501 is about 158.7599584552.

Adding to 4001501 its reverse (1051004), we get a palindrome (5052505).

The spelling of 4001501 in words is "four million, one thousand, five hundred one".