265620201 has 32 divisors (see below), whose sum is σ = 442423296. Its totient is φ = 137712000.

The previous prime is 265620197. The next prime is 265620217. The reversal of 265620201 is 102026562.

It is not a de Polignac number, because 265620201 - 2² = 265620197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (265620101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175036 + ... + 176546.

It is an arithmetic number, because the mean of its divisors is an integer number (13825728).

Almost surely, 2^265620201 is an apocalyptic number.

265620201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

265620201 is a deficient number, since it is larger than the sum of its proper divisors (176803095).

265620201 is a wasteful number, since it uses less digits than its factorization.

265620201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 265620201 is about 16297.8587857424. The cubic root of 265620201 is about 642.8165264003.

Adding to 265620201 its reverse (102026562), we get a palindrome (367646763).

The spelling of 265620201 in words is "two hundred sixty-five million, six hundred twenty thousand, two hundred one".