259980007 has 4 divisors (see below), whose sum is σ = 297120016. Its totient is φ = 222840000.

The previous prime is 259980001. The next prime is 259980029. The reversal of 259980007 is 700089952.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 259980007 - 2¹¹ = 259977959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259980001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18569994 + ... + 18570007.

It is an arithmetic number, because the mean of its divisors is an integer number (74280004).

Almost surely, 2^259980007 is an apocalyptic number.

259980007 is a deficient number, since it is larger than the sum of its proper divisors (37140009).

259980007 is an equidigital number, since it uses as much as digits as its factorization.

259980007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37140008.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 259980007 is about 16123.8955280664. The cubic root of 259980007 is about 638.2340697989.

The spelling of 259980007 in words is "two hundred fifty-nine million, nine hundred eighty thousand, seven".