65052245 has 6 divisors (see below), whose sum is σ = 78084342. Its totient is φ = 52027368.

The previous prime is 65052241. The next prime is 65052269. The reversal of 65052245 is 54225056.

It can be written as a sum of positive squares in only one way, i.e., 52041796 + 13010449 = 7214^2 + 3607^2 .

It is not a de Polignac number, because 65052245 - 2² = 65052241 is a prime.

It is a super-3 number, since 3×65052245³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65052241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16232 + ... + 19838.

It is an arithmetic number, because the mean of its divisors is an integer number (13014057).

Almost surely, 2^65052245 is an apocalyptic number.

It is an amenable number.

65052245 is a deficient number, since it is larger than the sum of its proper divisors (13032097).

65052245 is an frugal number, since it uses more digits than its factorization.

65052245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7219 (or 3612 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 65052245 is about 8065.4971948417. The cubic root of 65052245 is about 402.1802715316.

The spelling of 65052245 in words is "sixty-five million, fifty-two thousand, two hundred forty-five".