7001289 has 16 divisors (see below), whose sum is σ = 10416000. Its totient is φ = 4647888.

The previous prime is 7001287. The next prime is 7001311. The reversal of 7001289 is 9821007.

It is not a de Polignac number, because 7001289 - 2¹ = 7001287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7001287) 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, 9052 + ... + 9794.

It is an arithmetic number, because the mean of its divisors is an integer number (651000).

Almost surely, 2^7001289 is an apocalyptic number.

It is an amenable number.

7001289 is a deficient number, since it is larger than the sum of its proper divisors (3414711).

7001289 is a wasteful number, since it uses less digits than its factorization.

7001289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101 (or 1095 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 7001289 is about 2645.9948979543. The cubic root of 7001289 is about 191.3048593104.

Adding to 7001289 its sum of digits (27), we get a square (7001316 = 2646²).

The spelling of 7001289 in words is "seven million, one thousand, two hundred eighty-nine".