2494521 has 6 divisors (see below), whose sum is σ = 3603210. Its totient is φ = 1663008.

The previous prime is 2494517. The next prime is 2494523. The reversal of 2494521 is 1254942.

It can be written as a sum of positive squares in only one way, i.e., 2134521 + 360000 = 1461^2 + 600^2 .

It is not a de Polignac number, because 2494521 - 2² = 2494517 is a prime.

2494521 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2494523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138576 + ... + 138593.

It is an arithmetic number, because the mean of its divisors is an integer number (600535).

2^2494521 is an apocalyptic number.

It is an amenable number.

2494521 is a deficient number, since it is larger than the sum of its proper divisors (1108689).

2494521 is a wasteful number, since it uses less digits than its factorization.

2494521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277175 (or 277172 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2494521 is about 1579.4052678144. The cubic root of 2494521 is about 135.6216596826.

The spelling of 2494521 in words is "two million, four hundred ninety-four thousand, five hundred twenty-one".