2457018 has 12 divisors (see below), whose sum is σ = 5323578. Its totient is φ = 819000.

The previous prime is 2457011. The next prime is 2457031. The reversal of 2457018 is 8107542.

It can be written as a sum of positive squares in only one way, i.e., 2350089 + 106929 = 1533^2 + 327^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2456982 and 2457000.

It is not an unprimeable number, because it can be changed into a prime (2457011) 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, 68233 + ... + 68268.

2^2457018 is an apocalyptic number.

2457018 is an abundant number, since it is smaller than the sum of its proper divisors (2866560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2457018 is a wasteful number, since it uses less digits than its factorization.

2457018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136509 (or 136506 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 2457018 is about 1567.4877989956. The cubic root of 2457018 is about 134.9385728770.

The spelling of 2457018 in words is "two million, four hundred fifty-seven thousand, eighteen".