2457542 has 8 divisors (see below), whose sum is σ = 3693600. Its totient is φ = 1226344.

The previous prime is 2457529. The next prime is 2457563.

It is a happy number.

2457542 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584 + ... + 2292.

It is an arithmetic number, because the mean of its divisors is an integer number (461700).

2^2457542 is an apocalyptic number.

2457542 is a deficient number, since it is larger than the sum of its proper divisors (1236058).

2457542 is a wasteful number, since it uses less digits than its factorization.

2457542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430.

The product of its digits is 11200, while the sum is 29.

The square root of 2457542 is about 1567.6549365214. The cubic root of 2457542 is about 134.9481648276.

The spelling of 2457542 in words is "two million, four hundred fifty-seven thousand, five hundred forty-two".