25702141 has 2 divisors, whose sum is σ = 25702142. Its totient is φ = 25702140.

The previous prime is 25702129. The next prime is 25702151. The reversal of 25702141 is 14120752.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21483225 + 4218916 = 4635^2 + 2054^2 .

It is a cyclic number.

It is not a de Polignac number, because 25702141 - 2¹³ = 25693949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25702151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12851070 + 12851071.

It is an arithmetic number, because the mean of its divisors is an integer number (12851071).

Almost surely, 2^25702141 is an apocalyptic number.

It is an amenable number.

25702141 is a deficient number, since it is larger than the sum of its proper divisors (1).

25702141 is an equidigital number, since it uses as much as digits as its factorization.

25702141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 25702141 is about 5069.7279019687. The cubic root of 25702141 is about 295.1139691785.

Adding to 25702141 its reverse (14120752), we get a palindrome (39822893).

The spelling of 25702141 in words is "twenty-five million, seven hundred two thousand, one hundred forty-one".