2487157 has 8 divisors (see below), whose sum is σ = 2652800. Its totient is φ = 2325024.

The previous prime is 2487143. The next prime is 2487167. The reversal of 2487157 is 7517842.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2487157 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2487137) 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, 673 + ... + 2329.

It is an arithmetic number, because the mean of its divisors is an integer number (331600).

2^2487157 is an apocalyptic number.

It is an amenable number.

2487157 is a deficient number, since it is larger than the sum of its proper divisors (165643).

2487157 is a wasteful number, since it uses less digits than its factorization.

2487157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755.

The product of its digits is 15680, while the sum is 34.

The square root of 2487157 is about 1577.0722874998. The cubic root of 2487157 is about 135.4880732775.

The spelling of 2487157 in words is "two million, four hundred eighty-seven thousand, one hundred fifty-seven".