65562501 has 4 divisors (see below), whose sum is σ = 87416672. Its totient is φ = 43708332.

The previous prime is 65562493. The next prime is 65562503. The reversal of 65562501 is 10526556.

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 not a de Polignac number, because 65562501 - 2³ = 65562493 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 (65562503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10927081 + ... + 10927086.

It is an arithmetic number, because the mean of its divisors is an integer number (21854168).

Almost surely, 2^65562501 is an apocalyptic number.

It is an amenable number.

65562501 is a deficient number, since it is larger than the sum of its proper divisors (21854171).

65562501 is a wasteful number, since it uses less digits than its factorization.

65562501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21854170.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 65562501 is about 8097.0674321016. The cubic root of 65562501 is about 403.2290729914.

The spelling of 65562501 in words is "sixty-five million, five hundred sixty-two thousand, five hundred one".