2661054 has 32 divisors (see below), whose sum is σ = 6061824. Its totient is φ = 770880.

The previous prime is 2661013. The next prime is 2661067. The reversal of 2661054 is 4501662.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642 + ... + 2394.

It is an arithmetic number, because the mean of its divisors is an integer number (189432).

2^2661054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2661054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3030912).

2661054 is an abundant number, since it is smaller than the sum of its proper divisors (3400770).

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

2661054 is a wasteful number, since it uses less digits than its factorization.

2661054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2661054 is about 1631.2737354595. The cubic root of 2661054 is about 138.5748963902.

The spelling of 2661054 in words is "two million, six hundred sixty-one thousand, fifty-four".