25474837 has 2 divisors, whose sum is σ = 25474838. Its totient is φ = 25474836.

The previous prime is 25474831. The next prime is 25474849. The reversal of 25474837 is 73847452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23902321 + 1572516 = 4889^2 + 1254^2 .

It is a cyclic number.

It is not a de Polignac number, because 25474837 - 2¹¹ = 25472789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25474837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25474831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12737418 + 12737419.

It is an arithmetic number, because the mean of its divisors is an integer number (12737419).

Almost surely, 2^25474837 is an apocalyptic number.

It is an amenable number.

25474837 is a deficient number, since it is larger than the sum of its proper divisors (1).

25474837 is an equidigital number, since it uses as much as digits as its factorization.

25474837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188160, while the sum is 40.

The square root of 25474837 is about 5047.2603459699. The cubic root of 25474837 is about 294.2414178533.

The spelling of 25474837 in words is "twenty-five million, four hundred seventy-four thousand, eight hundred thirty-seven".