2456513 has 4 divisors (see below), whose sum is σ = 2466948. Its totient is φ = 2446080.

The previous prime is 2456501. The next prime is 2456539. The reversal of 2456513 is 3156542.

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 1803649 + 652864 = 1343^2 + 808^2 .

It is a cyclic number.

It is not a de Polignac number, because 2456513 - 2¹⁸ = 2194369 is a prime.

It is a super-2 number, since 2×2456513² = 12068912238338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2455513) 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, 4856 + ... + 5337.

It is an arithmetic number, because the mean of its divisors is an integer number (616737).

2^2456513 is an apocalyptic number.

It is an amenable number.

2456513 is a deficient number, since it is larger than the sum of its proper divisors (10435).

2456513 is a wasteful number, since it uses less digits than its factorization.

2456513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10434.

The product of its digits is 3600, while the sum is 26.

The square root of 2456513 is about 1567.3267049342. The cubic root of 2456513 is about 134.9293274355.

The spelling of 2456513 in words is "two million, four hundred fifty-six thousand, five hundred thirteen".