2457005 has 6 divisors (see below), whose sum is σ = 2952618. Its totient is φ = 1962800.

The previous prime is 2457001. The next prime is 2457011. The reversal of 2457005 is 5007542.

It can be written as a sum of positive squares in 3 ways, for example, as 1085764 + 1371241 = 1042^2 + 1171^2 .

It is not a de Polignac number, because 2457005 - 2² = 2457001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2457001) 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, 3155 + ... + 3855.

It is an arithmetic number, because the mean of its divisors is an integer number (492103).

2^2457005 is an apocalyptic number.

It is an amenable number.

2457005 is a deficient number, since it is larger than the sum of its proper divisors (495613).

2457005 is an frugal number, since it uses more digits than its factorization.

2457005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 2457005 is about 1567.4836522274. The cubic root of 2457005 is about 134.9383348914.

The spelling of 2457005 in words is "two million, four hundred fifty-seven thousand, five".