2490481 has 4 divisors (see below), whose sum is σ = 2846272. Its totient is φ = 2134692.

The previous prime is 2490479. The next prime is 2490493. The reversal of 2490481 is 1840942.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2490481 - 2¹ = 2490479 is a prime.

It is a super-2 number, since 2×2490481² = 12404991222722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2490421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177885 + ... + 177898.

It is an arithmetic number, because the mean of its divisors is an integer number (711568).

2^2490481 is an apocalyptic number.

It is an amenable number.

2490481 is a deficient number, since it is larger than the sum of its proper divisors (355791).

2490481 is an equidigital number, since it uses as much as digits as its factorization.

2490481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355790.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2490481 is about 1578.1257871285. The cubic root of 2490481 is about 135.5484047956.

The spelling of 2490481 in words is "two million, four hundred ninety thousand, four hundred eighty-one".