200001501 has 32 divisors (see below), whose sum is σ = 340179200. Its totient is φ = 113762880.

The previous prime is 200001449. The next prime is 200001509. The reversal of 200001501 is 105100002.

It is a happy number.

200001501 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 200001501 - 2⁶ = 200001437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200001509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40971 + ... + 45591.

It is an arithmetic number, because the mean of its divisors is an integer number (10630600).

Almost surely, 2^200001501 is an apocalyptic number.

200001501 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200001501 is a deficient number, since it is larger than the sum of its proper divisors (140177699).

200001501 is a wasteful number, since it uses less digits than its factorization.

200001501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4866 (or 4860 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 200001501 is about 14142.1886919953. The cubic root of 200001501 is about 584.8050106225.

Adding to 200001501 its reverse (105100002), we get a palindrome (305101503).

The spelling of 200001501 in words is "two hundred million, one thousand, five hundred one".