265430641 has 8 divisors (see below), whose sum is σ = 303464000. Its totient is φ = 227425968.

The previous prime is 265430621. The next prime is 265430651. The reversal of 265430641 is 146034562.

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

It is not a de Polignac number, because 265430641 - 2¹¹ = 265428593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (265430611) 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, 19075 + ... + 29911.

It is an arithmetic number, because the mean of its divisors is an integer number (37933000).

Almost surely, 2^265430641 is an apocalyptic number.

It is an amenable number.

265430641 is a deficient number, since it is larger than the sum of its proper divisors (38033359).

265430641 is a wasteful number, since it uses less digits than its factorization.

265430641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14343.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 265430641 is about 16292.0422599501. The cubic root of 265430641 is about 642.6635745560.

The spelling of 265430641 in words is "two hundred sixty-five million, four hundred thirty thousand, six hundred forty-one".