2478537 has 6 divisors (see below), whose sum is σ = 3580122. Its totient is φ = 1652352.

The previous prime is 2478529. The next prime is 2478547. The reversal of 2478537 is 7358742.

2478537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2143296 + 335241 = 1464^2 + 579^2 .

It is not a de Polignac number, because 2478537 - 2³ = 2478529 is a prime.

It is a super-2 number, since 2×2478537² = 12286291320738, which contains 22 as substring.

2478537 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2478517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137688 + ... + 137705.

It is an arithmetic number, because the mean of its divisors is an integer number (596687).

2^2478537 is an apocalyptic number.

It is an amenable number.

2478537 is a deficient number, since it is larger than the sum of its proper divisors (1101585).

2478537 is a wasteful number, since it uses less digits than its factorization.

2478537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275399 (or 275396 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 2478537 is about 1574.3370033128. The cubic root of 2478537 is about 135.3313670407.

The spelling of 2478537 in words is "two million, four hundred seventy-eight thousand, five hundred thirty-seven".