65242501 has 4 divisors (see below), whose sum is σ = 65852352. Its totient is φ = 64632652.

The previous prime is 65242483. The next prime is 65242531. The reversal of 65242501 is 10524256.

65242501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65242501 - 2⁵ = 65242469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65242531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304765 + ... + 304978.

It is an arithmetic number, because the mean of its divisors is an integer number (16463088).

Almost surely, 2^65242501 is an apocalyptic number.

It is an amenable number.

65242501 is a deficient number, since it is larger than the sum of its proper divisors (609851).

65242501 is a wasteful number, since it uses less digits than its factorization.

65242501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609850.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 65242501 is about 8077.2830209174. The cubic root of 65242501 is about 402.5719707214.

Adding to 65242501 its reverse (10524256), we get a palindrome (75766757).

It can be divided in two parts, 6524 and 2501, that added together give a square (9025 = 95²).

The spelling of 65242501 in words is "sixty-five million, two hundred forty-two thousand, five hundred one".