2061545 has 8 divisors (see below), whose sum is σ = 2498496. Its totient is φ = 1632816.

The previous prime is 2061533. The next prime is 2061551. The reversal of 2061545 is 5451602.

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 2061545 - 2⁸ = 2061289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2061545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1487 + ... + 2516.

It is an arithmetic number, because the mean of its divisors is an integer number (312312).

2^2061545 is an apocalyptic number.

It is an amenable number.

2061545 is a deficient number, since it is larger than the sum of its proper divisors (436951).

2061545 is a wasteful number, since it uses less digits than its factorization.

2061545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2061545 is about 1435.8081348147. The cubic root of 2061545 is about 127.2714346653.

The spelling of 2061545 in words is "two million, sixty-one thousand, five hundred forty-five".