65240536 has 8 divisors (see below), whose sum is σ = 122326020. Its totient is φ = 32620264.

The previous prime is 65240521. The next prime is 65240561. The reversal of 65240536 is 63504256.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 65240498 and 65240507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4077526 + ... + 4077541.

Almost surely, 2^65240536 is an apocalyptic number.

It is an amenable number.

65240536 is a deficient number, since it is larger than the sum of its proper divisors (57085484).

65240536 is a wasteful number, since it uses less digits than its factorization.

65240536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8155073 (or 8155069 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 65240536 is about 8077.1613825650. The cubic root of 65240536 is about 402.5679290724.

The spelling of 65240536 in words is "sixty-five million, two hundred forty thousand, five hundred thirty-six".