25742371 has 2 divisors, whose sum is σ = 25742372. Its totient is φ = 25742370.

The previous prime is 25742341. The next prime is 25742411. The reversal of 25742371 is 17324752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25742371 - 2⁷ = 25742243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25742341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12871185 + 12871186.

It is an arithmetic number, because the mean of its divisors is an integer number (12871186).

Almost surely, 2^25742371 is an apocalyptic number.

25742371 is a deficient number, since it is larger than the sum of its proper divisors (1).

25742371 is an equidigital number, since it uses as much as digits as its factorization.

25742371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 31.

The square root of 25742371 is about 5073.6940191541. The cubic root of 25742371 is about 295.2678635689.

The spelling of 25742371 in words is "twenty-five million, seven hundred forty-two thousand, three hundred seventy-one".