15090001 has 8 divisors (see below), whose sum is σ = 16044480. Its totient is φ = 14160432.

The previous prime is 15089993. The next prime is 15090007. The reversal of 15090001 is 10009051.

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

It is a cyclic number.

It is not a de Polignac number, because 15090001 - 2³ = 15089993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15090007) 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, 4971 + ... + 7408.

It is an arithmetic number, because the mean of its divisors is an integer number (2005560).

Almost surely, 2^15090001 is an apocalyptic number.

It is an amenable number.

15090001 is a deficient number, since it is larger than the sum of its proper divisors (954479).

15090001 is a wasteful number, since it uses less digits than its factorization.

15090001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12455.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 15090001 is about 3884.5850486249. The cubic root of 15090001 is about 247.1134720969.

Adding to 15090001 its reverse (10009051), we get a palindrome (25099052).

The spelling of 15090001 in words is "fifteen million, ninety thousand, one".