2157548 has 18 divisors (see below), whose sum is σ = 3865428. Its totient is φ = 1053640.

The previous prime is 2157539. The next prime is 2157557. The reversal of 2157548 is 8457512.

It is an interprime number because it is at equal distance from previous prime (2157539) and next prime (2157557).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20111 + ... + 20217.

It is an arithmetic number, because the mean of its divisors is an integer number (214746).

2^2157548 is an apocalyptic number.

It is an amenable number.

2157548 is a deficient number, since it is larger than the sum of its proper divisors (1707880).

2157548 is a wasteful number, since it uses less digits than its factorization.

2157548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 180 counting only the distinct ones).

The product of its digits is 11200, while the sum is 32.

The square root of 2157548 is about 1468.8594214560. The cubic root of 2157548 is about 129.2171492347.

The spelling of 2157548 in words is "two million, one hundred fifty-seven thousand, five hundred forty-eight".