2493577 has 4 divisors (see below), whose sum is σ = 2640276. Its totient is φ = 2346880.

The previous prime is 2493563. The next prime is 2493587. The reversal of 2493577 is 7753942.

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 1806336 + 687241 = 1344^2 + 829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2493577 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 4⁶ + 9² + 3¹² + 5⁹ + 7⁴ + 7⁴ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2493587) 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, 73324 + ... + 73357.

It is an arithmetic number, because the mean of its divisors is an integer number (660069).

2^2493577 is an apocalyptic number.

It is an amenable number.

2493577 is a deficient number, since it is larger than the sum of its proper divisors (146699).

2493577 is a wasteful number, since it uses less digits than its factorization.

2493577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146698.

The product of its digits is 52920, while the sum is 37.

The square root of 2493577 is about 1579.1063928691. The cubic root of 2493577 is about 135.6045497845.

The spelling of 2493577 in words is "two million, four hundred ninety-three thousand, five hundred seventy-seven".