2490561 has 8 divisors (see below), whose sum is σ = 3689760. Its totient is φ = 1660356.

The previous prime is 2490547. The next prime is 2490583. The reversal of 2490561 is 1650942.

2490561 = T₈₈ + T₈₉ + ... + T₂₄₉.

It is not a de Polignac number, because 2490561 - 2⁵ = 2490529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 92243 = 2490561 / (2 + 4 + 9 + 0 + 5 + 6 + 1).

It is not an unprimeable number, because it can be changed into a prime (2490161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46095 + ... + 46148.

It is an arithmetic number, because the mean of its divisors is an integer number (461220).

2^2490561 is an apocalyptic number.

It is an amenable number.

2490561 is a deficient number, since it is larger than the sum of its proper divisors (1199199).

2490561 is an equidigital number, since it uses as much as digits as its factorization.

2490561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92252 (or 92246 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2490561 is about 1578.1511334470. The cubic root of 2490561 is about 135.5498561560.

The spelling of 2490561 in words is "two million, four hundred ninety thousand, five hundred sixty-one".