2478937 has 2 divisors, whose sum is σ = 2478938. Its totient is φ = 2478936.

The previous prime is 2478899. The next prime is 2478953. The reversal of 2478937 is 7398742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1565001 + 913936 = 1251^2 + 956^2 .

It is a cyclic number.

It is not a de Polignac number, because 2478937 - 2⁷ = 2478809 is a prime.

It is a super-2 number, since 2×2478937² = 12290257299938, which contains 22 as substring.

It is a Chen prime.

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 2478937.

It is not a weakly prime, because it can be changed into another prime (2478997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239468 + 1239469.

It is an arithmetic number, because the mean of its divisors is an integer number (1239469).

2^2478937 is an apocalyptic number.

It is an amenable number.

2478937 is a deficient number, since it is larger than the sum of its proper divisors (1).

2478937 is an equidigital number, since it uses as much as digits as its factorization.

2478937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 40.

The square root of 2478937 is about 1574.4640357912. The cubic root of 2478937 is about 135.3386468237.

It can be divided in two parts, 24 and 78937, that added together give a square (78961 = 281²).

The spelling of 2478937 in words is "two million, four hundred seventy-eight thousand, nine hundred thirty-seven".