65115425 has 6 divisors (see below), whose sum is σ = 80743158. Its totient is φ = 52092320.

The previous prime is 65115419. The next prime is 65115431. The reversal of 65115425 is 52451156.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (65115419) and next prime (65115431).

It can be written as a sum of positive squares in 3 ways, for example, as 22801 + 65092624 = 151^2 + 8068^2 .

It is not a de Polignac number, because 65115425 - 2¹² = 65111329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1302284 + ... + 1302333.

It is an arithmetic number, because the mean of its divisors is an integer number (13457193).

Almost surely, 2^65115425 is an apocalyptic number.

It is an amenable number.

65115425 is a deficient number, since it is larger than the sum of its proper divisors (15627733).

65115425 is a wasteful number, since it uses less digits than its factorization.

65115425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604627 (or 2604622 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 65115425 is about 8069.4129278405. The cubic root of 65115425 is about 402.3104311586.

The spelling of 65115425 in words is "sixty-five million, one hundred fifteen thousand, four hundred twenty-five".