3087157 has 4 divisors (see below), whose sum is σ = 3090700. Its totient is φ = 3083616.

The previous prime is 3087113. The next prime is 3087167. The reversal of 3087157 is 7517803.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1661521 + 1425636 = 1289^2 + 1194^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3087157 is a prime.

It is a Duffinian number.

3087157 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3087107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553 + ... + 2545.

It is an arithmetic number, because the mean of its divisors is an integer number (772675).

Almost surely, 2^3087157 is an apocalyptic number.

It is an amenable number.

3087157 is a deficient number, since it is larger than the sum of its proper divisors (3543).

3087157 is a wasteful number, since it uses less digits than its factorization.

3087157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3542.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 3087157 is about 1757.0307339372. The cubic root of 3087157 is about 145.6083360008.

The spelling of 3087157 in words is "three million, eighty-seven thousand, one hundred fifty-seven".