2902481 has 4 divisors (see below), whose sum is σ = 2915172. Its totient is φ = 2889792.

The previous prime is 2902477. The next prime is 2902483. The reversal of 2902481 is 1842092.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1500625 + 1401856 = 1225^2 + 1184^2 .

It is a cyclic number.

It is not a de Polignac number, because 2902481 - 2² = 2902477 is a prime.

It is a super-2 number, since 2×2902481² = 16848791910722, which contains 22 as substring.

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 2902481.

It is not an unprimeable number, because it can be changed into a prime (2902483) 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, 5996 + ... + 6461.

It is an arithmetic number, because the mean of its divisors is an integer number (728793).

2^2902481 is an apocalyptic number.

It is an amenable number.

2902481 is a deficient number, since it is larger than the sum of its proper divisors (12691).

2902481 is a wasteful number, since it uses less digits than its factorization.

2902481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12690.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2902481 is about 1703.6669275419. Note that the first 3 decimals coincide. The cubic root of 2902481 is about 142.6449699393.

The spelling of 2902481 in words is "two million, nine hundred two thousand, four hundred eighty-one".