65121350 has 48 divisors (see below), whose sum is σ = 141681408. Its totient is φ = 21803040.

The previous prime is 65121311. The next prime is 65121383. The reversal of 65121350 is 5312156.

65121350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12887 + ... + 17213.

It is an arithmetic number, because the mean of its divisors is an integer number (2951696).

Almost surely, 2^65121350 is an apocalyptic number.

65121350 is an abundant number, since it is smaller than the sum of its proper divisors (76560058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65121350 is a wasteful number, since it uses less digits than its factorization.

65121350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4389 (or 4384 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 65121350 is about 8069.7800465688. The cubic root of 65121350 is about 402.3226331676.

The spelling of 65121350 in words is "sixty-five million, one hundred twenty-one thousand, three hundred fifty".