2520687 has 8 divisors (see below), whose sum is σ = 3619504. Its totient is φ = 1551168.

The previous prime is 2520677. The next prime is 2520689. The reversal of 2520687 is 7860252.

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

It is not a de Polignac number, because 2520687 - 2⁴ = 2520671 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 (2520689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32278 + ... + 32355.

It is an arithmetic number, because the mean of its divisors is an integer number (452438).

2^2520687 is an apocalyptic number.

2520687 is a deficient number, since it is larger than the sum of its proper divisors (1098817).

2520687 is a wasteful number, since it uses less digits than its factorization.

2520687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64649.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2520687 is about 1587.6671565539. The cubic root of 2520687 is about 136.0942073629.

The spelling of 2520687 in words is "two million, five hundred twenty thousand, six hundred eighty-seven".