25034139 has 36 divisors (see below), whose sum is σ = 39776880. Its totient is φ = 15163200.

The previous prime is 25034137. The next prime is 25034159. The reversal of 25034139 is 93143052.

It is not a de Polignac number, because 25034139 - 2¹ = 25034137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25034131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 165714 + ... + 165864.

Almost surely, 2^25034139 is an apocalyptic number.

25034139 is a deficient number, since it is larger than the sum of its proper divisors (14742741).

25034139 is a wasteful number, since it uses less digits than its factorization.

25034139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 25034139 is about 5003.4127353238. The cubic root of 25034139 is about 292.5348106718.

The spelling of 25034139 in words is "twenty-five million, thirty-four thousand, one hundred thirty-nine".