25740751 has 2 divisors, whose sum is σ = 25740752. Its totient is φ = 25740750.

The previous prime is 25740739. The next prime is 25740769. The reversal of 25740751 is 15704752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25740751 - 2¹¹ = 25738703 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25740851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12870375 + 12870376.

It is an arithmetic number, because the mean of its divisors is an integer number (12870376).

Almost surely, 2^25740751 is an apocalyptic number.

25740751 is a deficient number, since it is larger than the sum of its proper divisors (1).

25740751 is an equidigital number, since it uses as much as digits as its factorization.

25740751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 25740751 is about 5073.5343696480. The cubic root of 25740751 is about 295.2616695788.

The spelling of 25740751 in words is "twenty-five million, seven hundred forty thousand, seven hundred fifty-one".