65219030 has 32 divisors (see below), whose sum is σ = 123125184. Its totient is φ = 24825856.

The previous prime is 65219027. The next prime is 65219047. The reversal of 65219030 is 3091256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52982 + ... + 54198.

It is an arithmetic number, because the mean of its divisors is an integer number (3847662).

Almost surely, 2^65219030 is an apocalyptic number.

65219030 is a deficient number, since it is larger than the sum of its proper divisors (57906154).

65219030 is a wasteful number, since it uses less digits than its factorization.

65219030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 65219030 is about 8075.8299883046. The cubic root of 65219030 is about 402.5236898213.

It can be divided in two parts, 6521 and 9030, that added together give a palindrome (15551).

The spelling of 65219030 in words is "sixty-five million, two hundred nineteen thousand, thirty".