65413537 has 8 divisors (see below), whose sum is σ = 75038400. Its totient is φ = 55858704.

The previous prime is 65413529. The next prime is 65413547. The reversal of 65413537 is 73531456.

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

It is a cyclic number.

It is not a de Polignac number, because 65413537 - 2³ = 65413529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65413547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15487 + ... + 19252.

It is an arithmetic number, because the mean of its divisors is an integer number (9379800).

Almost surely, 2^65413537 is an apocalyptic number.

It is an amenable number.

65413537 is a deficient number, since it is larger than the sum of its proper divisors (9624863).

65413537 is a wasteful number, since it uses less digits than its factorization.

65413537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35015.

The product of its digits is 37800, while the sum is 34.

The square root of 65413537 is about 8087.8635621529. The cubic root of 65413537 is about 402.9234502929.

The spelling of 65413537 in words is "sixty-five million, four hundred thirteen thousand, five hundred thirty-seven".