65272501 has 16 divisors (see below), whose sum is σ = 76923648. Its totient is φ = 54230400.

The previous prime is 65272481. The next prime is 65272513. The reversal of 65272501 is 10527256.

It is not a de Polignac number, because 65272501 - 2⁹ = 65271989 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65272501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65272541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29241 + ... + 31393.

It is an arithmetic number, because the mean of its divisors is an integer number (4807728).

Almost surely, 2^65272501 is an apocalyptic number.

65272501 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

65272501 is a deficient number, since it is larger than the sum of its proper divisors (11651147).

65272501 is a wasteful number, since it uses less digits than its factorization.

65272501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 65272501 is about 8079.1398675849. The cubic root of 65272501 is about 402.6336652114.

Adding to 65272501 its reverse (10527256), we get a palindrome (75799757).

It can be divided in two parts, 652 and 72501, that added together give a triangular number (73153 = T₃₈₂).

The spelling of 65272501 in words is "sixty-five million, two hundred seventy-two thousand, five hundred one".