2148537 has 8 divisors (see below), whose sum is σ = 2881440. Its totient is φ = 1424000.

The previous prime is 2148533. The next prime is 2148547. The reversal of 2148537 is 7358412.

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

It is a cyclic number.

It is not a de Polignac number, because 2148537 - 2² = 2148533 is a prime.

It is a super-2 number, since 2×2148537² = 9232422480738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2148533) 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, 1464 + ... + 2537.

It is an arithmetic number, because the mean of its divisors is an integer number (360180).

2^2148537 is an apocalyptic number.

It is an amenable number.

2148537 is a deficient number, since it is larger than the sum of its proper divisors (732903).

2148537 is a wasteful number, since it uses less digits than its factorization.

2148537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4183.

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

The square root of 2148537 is about 1465.7888661059. The cubic root of 2148537 is about 129.0370063891.

It can be divided in two parts, 2148 and 537, that multiplied together give a square (1153476 = 1074²).

The spelling of 2148537 in words is "two million, one hundred forty-eight thousand, five hundred thirty-seven".