16250001 has 16 divisors (see below), whose sum is σ = 22404096. Its totient is φ = 10470096.

The previous prime is 16249963. The next prime is 16250009. The reversal of 16250001 is 10005261.

It is not a de Polignac number, because 16250001 - 2¹⁰ = 16248977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16250009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12676 + ... + 13898.

It is an arithmetic number, because the mean of its divisors is an integer number (1400256).

Almost surely, 2^16250001 is an apocalyptic number.

It is an amenable number.

16250001 is a deficient number, since it is larger than the sum of its proper divisors (6154095).

16250001 is a wasteful number, since it uses less digits than its factorization.

16250001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 16250001 is about 4031.1289981840. The cubic root of 16250001 is about 253.2898561507.

Adding to 16250001 its reverse (10005261), we get a palindrome (26255262).

The spelling of 16250001 in words is "sixteen million, two hundred fifty thousand, one".