24978133 has 2 divisors, whose sum is σ = 24978134. Its totient is φ = 24978132.

The previous prime is 24978119. The next prime is 24978137. The reversal of 24978133 is 33187942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23590449 + 1387684 = 4857^2 + 1178^2 .

It is a cyclic number.

It is not a de Polignac number, because 24978133 - 2⁹ = 24977621 is a prime.

It is equal to p_1564678 and since 24978133 and 1564678 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 24978092 and 24978101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24978137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12489066 + 12489067.

It is an arithmetic number, because the mean of its divisors is an integer number (12489067).

Almost surely, 2^24978133 is an apocalyptic number.

It is an amenable number.

24978133 is a deficient number, since it is larger than the sum of its proper divisors (1).

24978133 is an equidigital number, since it uses as much as digits as its factorization.

24978133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 24978133 is about 4997.8128216251. The cubic root of 24978133 is about 292.3164962918.

The spelling of 24978133 in words is "twenty-four million, nine hundred seventy-eight thousand, one hundred thirty-three".