265145601 has 8 divisors (see below), whose sum is σ = 404031424. Its totient is φ = 151511760.

The previous prime is 265145593. The next prime is 265145603. The reversal of 265145601 is 106541562.

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

It is not a de Polignac number, because 265145601 - 2³ = 265145593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265145603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6312970 + ... + 6313011.

It is an arithmetic number, because the mean of its divisors is an integer number (50503928).

Almost surely, 2^265145601 is an apocalyptic number.

265145601 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

265145601 is a deficient number, since it is larger than the sum of its proper divisors (138885823).

265145601 is a wasteful number, since it uses less digits than its factorization.

265145601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12625991.

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

The square root of 265145601 is about 16283.2920811487. The cubic root of 265145601 is about 642.4334448362.

The spelling of 265145601 in words is "two hundred sixty-five million, one hundred forty-five thousand, six hundred one".