65251955 has 8 divisors (see below), whose sum is σ = 78628704. Its totient is φ = 51984000.

The previous prime is 65251939. The next prime is 65251969. The reversal of 65251955 is 55915256.

65251955 is nontrivially palindromic in base 15.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65251955 - 2⁴ = 65251939 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25871 + ... + 28280.

It is an arithmetic number, because the mean of its divisors is an integer number (9828588).

Almost surely, 2^65251955 is an apocalyptic number.

65251955 is a deficient number, since it is larger than the sum of its proper divisors (13376749).

65251955 is a wasteful number, since it uses less digits than its factorization.

65251955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54397.

The product of its digits is 67500, while the sum is 38.

The square root of 65251955 is about 8077.8682212574. The cubic root of 65251955 is about 402.5914147522.

The spelling of 65251955 in words is "sixty-five million, two hundred fifty-one thousand, nine hundred fifty-five".