2477542 has 4 divisors (see below), whose sum is σ = 3716316. Its totient is φ = 1238770.

The previous prime is 2477521. The next prime is 2477561. The reversal of 2477542 is 2457742.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2477542² = 12276428723528, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619384 + ... + 619387.

It is an arithmetic number, because the mean of its divisors is an integer number (929079).

2^2477542 is an apocalyptic number.

2477542 is a deficient number, since it is larger than the sum of its proper divisors (1238774).

2477542 is a wasteful number, since it uses less digits than its factorization.

2477542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238773.

The product of its digits is 15680, while the sum is 31.

The square root of 2477542 is about 1574.0209655529. The cubic root of 2477542 is about 135.3132551823.

The spelling of 2477542 in words is "two million, four hundred seventy-seven thousand, five hundred forty-two".