2054545 has 8 divisors (see below), whose sum is σ = 2512296. Its totient is φ = 1612416.

The previous prime is 2054543. The next prime is 2054579. The reversal of 2054545 is 5454502.

It can be written as a sum of positive squares in 4 ways, for example, as 1046529 + 1008016 = 1023^2 + 1004^2 .

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 2054545 - 2¹ = 2054543 is a prime.

It is a Duffinian number.

2054545 is a modest number, since divided by 4545 gives 205 as remainder.

It is not an unprimeable number, because it can be changed into a prime (2054543) 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, 3612 + ... + 4141.

It is an arithmetic number, because the mean of its divisors is an integer number (314037).

2^2054545 is an apocalyptic number.

It is an amenable number.

2054545 is a deficient number, since it is larger than the sum of its proper divisors (457751).

2054545 is an equidigital number, since it uses as much as digits as its factorization.

2054545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7811.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 2054545 is about 1433.3684104235. The cubic root of 2054545 is about 127.1272207702.

The spelling of 2054545 in words is "two million, fifty-four thousand, five hundred forty-five".