65253137 has 4 divisors (see below), whose sum is σ = 65349360. Its totient is φ = 65156916.

The previous prime is 65253113. The next prime is 65253169. The reversal of 65253137 is 73135256.

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 65253137 - 2⁶ = 65253073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65253187) 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, 47087 + ... + 48452.

It is an arithmetic number, because the mean of its divisors is an integer number (16337340).

Almost surely, 2^65253137 is an apocalyptic number.

It is an amenable number.

65253137 is a deficient number, since it is larger than the sum of its proper divisors (96223).

65253137 is an equidigital number, since it uses as much as digits as its factorization.

65253137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96222.

The product of its digits is 18900, while the sum is 32.

The square root of 65253137 is about 8077.9413837933. The cubic root of 65253137 is about 402.5938456381.

The spelling of 65253137 in words is "sixty-five million, two hundred fifty-three thousand, one hundred thirty-seven".