65312151 has 16 divisors (see below), whose sum is σ = 89741280. Its totient is φ = 42232320.

The previous prime is 65312099. The next prime is 65312153. The reversal of 65312151 is 15121356.

It is not a de Polignac number, because 65312151 - 2⁶ = 65312087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65312153) 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, 10915 + ... + 15803.

It is an arithmetic number, because the mean of its divisors is an integer number (5608830).

Almost surely, 2^65312151 is an apocalyptic number.

65312151 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

65312151 is a deficient number, since it is larger than the sum of its proper divisors (24429129).

65312151 is a wasteful number, since it uses less digits than its factorization.

65312151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5026.

The product of its digits is 900, while the sum is 24.

The square root of 65312151 is about 8081.5933453744. The cubic root of 65312151 is about 402.7151757665.

The spelling of 65312151 in words is "sixty-five million, three hundred twelve thousand, one hundred fifty-one".