65238914 has 32 divisors (see below), whose sum is σ = 108573696. Its totient is φ = 29211840.

The previous prime is 65238907. The next prime is 65238923. The reversal of 65238914 is 41983256.

It is a happy number.

It is a super-2 number, since 2×65238914² = 8512231799798792, which contains 22 as substring.

It is a Curzon 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, 240599 + ... + 240869.

It is an arithmetic number, because the mean of its divisors is an integer number (3392928).

Almost surely, 2^65238914 is an apocalyptic number.

65238914 is a deficient number, since it is larger than the sum of its proper divisors (43334782).

65238914 is a wasteful number, since it uses less digits than its factorization.

65238914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530.

The product of its digits is 51840, while the sum is 38.

The square root of 65238914 is about 8077.0609753796. The cubic root of 65238914 is about 402.5645928511.

The spelling of 65238914 in words is "sixty-five million, two hundred thirty-eight thousand, nine hundred fourteen".