2661258 has 8 divisors (see below), whose sum is σ = 5322528. Its totient is φ = 887084.

The previous prime is 2661251. The next prime is 2661271. The reversal of 2661258 is 8521662.

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

2661258 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2661251) 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, 221766 + ... + 221777.

It is an arithmetic number, because the mean of its divisors is an integer number (665316).

2^2661258 is an apocalyptic number.

2661258 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2661258 is a wasteful number, since it uses less digits than its factorization.

2661258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443548.

The product of its digits is 5760, while the sum is 30.

The square root of 2661258 is about 1631.3362620870. The cubic root of 2661258 is about 138.5784374128.

The spelling of 2661258 in words is "two million, six hundred sixty-one thousand, two hundred fifty-eight".