65025138 has 8 divisors (see below), whose sum is σ = 130050288. Its totient is φ = 21675044.

The previous prime is 65025089. The next prime is 65025157. The reversal of 65025138 is 83152056.

It is a sphenic number, since it is the product of 3 distinct primes.

65025138 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5418756 + ... + 5418767.

It is an arithmetic number, because the mean of its divisors is an integer number (16256286).

Almost surely, 2^65025138 is an apocalyptic number.

65025138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65025138 is a wasteful number, since it uses less digits than its factorization.

65025138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10837528.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 65025138 is about 8063.8165901761. The cubic root of 65025138 is about 402.1244014883.

The spelling of 65025138 in words is "sixty-five million, twenty-five thousand, one hundred thirty-eight".