65156025 has 24 divisors (see below), whose sum is σ = 117519264. Its totient is φ = 31590400.

The previous prime is 65155999. The next prime is 65156029. The reversal of 65156025 is 52065156.

It is not a de Polignac number, because 65156025 - 2¹⁰ = 65155001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65155983 and 65156001.

It is not an unprimeable number, because it can be changed into a prime (65156029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38664 + ... + 40313.

It is an arithmetic number, because the mean of its divisors is an integer number (4896636).

Almost surely, 2^65156025 is an apocalyptic number.

It is an amenable number.

65156025 is a deficient number, since it is larger than the sum of its proper divisors (52363239).

65156025 is a wasteful number, since it uses less digits than its factorization.

65156025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79001 (or 78996 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 65156025 is about 8071.9282083031. The cubic root of 65156025 is about 402.3940284011.

The spelling of 65156025 in words is "sixty-five million, one hundred fifty-six thousand, twenty-five".