2981545 has 16 divisors (see below), whose sum is σ = 4330368. Its totient is φ = 1923840.

The previous prime is 2981543. The next prime is 2981551. The reversal of 2981545 is 5451892.

It is not a de Polignac number, because 2981545 - 2¹ = 2981543 is a prime.

It is a super-2 number, since 2×2981545² = 17779221174050, which contains 22 as substring.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2981545.

It is not an unprimeable number, because it can be changed into a prime (2981543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1911 + ... + 3100.

It is an arithmetic number, because the mean of its divisors is an integer number (270648).

2^2981545 is an apocalyptic number.

It is an amenable number.

2981545 is a deficient number, since it is larger than the sum of its proper divisors (1348823).

2981545 is a wasteful number, since it uses less digits than its factorization.

2981545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040.

The product of its digits is 14400, while the sum is 34.

The square root of 2981545 is about 1726.7150894111. The cubic root of 2981545 is about 143.9286072288.

The spelling of 2981545 in words is "two million, nine hundred eighty-one thousand, five hundred forty-five".