25300139 has 2 divisors, whose sum is σ = 25300140. Its totient is φ = 25300138.

The previous prime is 25300129. The next prime is 25300159. The reversal of 25300139 is 93100352.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25300139 - 2¹² = 25296043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25300109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12650069 + 12650070.

It is an arithmetic number, because the mean of its divisors is an integer number (12650070).

Almost surely, 2^25300139 is an apocalyptic number.

25300139 is a deficient number, since it is larger than the sum of its proper divisors (1).

25300139 is an equidigital number, since it uses as much as digits as its factorization.

25300139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 25300139 is about 5029.9243533079. The cubic root of 25300139 is about 293.5672710549.

The spelling of 25300139 in words is "twenty-five million, three hundred thousand, one hundred thirty-nine".