2919481 has 2 divisors, whose sum is σ = 2919482. Its totient is φ = 2919480.

The previous prime is 2919479. The next prime is 2919491. The reversal of 2919481 is 1849192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2611456 + 308025 = 1616^2 + 555^2 .

It is a cyclic number.

It is not a de Polignac number, because 2919481 - 2¹ = 2919479 is a prime.

It is a super-2 number, since 2×2919481² = 17046738618722, which contains 22 as substring.

Together with 2919479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2919451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1459740 + 1459741.

It is an arithmetic number, because the mean of its divisors is an integer number (1459741).

2^2919481 is an apocalyptic number.

It is an amenable number.

2919481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2919481 is an equidigital number, since it uses as much as digits as its factorization.

2919481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 34.

The square root of 2919481 is about 1708.6488814265. The cubic root of 2919481 is about 142.9229212792.

The spelling of 2919481 in words is "two million, nine hundred nineteen thousand, four hundred eighty-one".