65090501 has 16 divisors (see below), whose sum is σ = 79315200. Its totient is φ = 52143360.

The previous prime is 65090497. The next prime is 65090507. The reversal of 65090501 is 10509056.

It is a cyclic number.

It is not a de Polignac number, because 65090501 - 2² = 65090497 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65090507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15896 + ... + 19566.

It is an arithmetic number, because the mean of its divisors is an integer number (4957200).

Almost surely, 2^65090501 is an apocalyptic number.

It is an amenable number.

65090501 is a deficient number, since it is larger than the sum of its proper divisors (14224699).

65090501 is a wasteful number, since it uses less digits than its factorization.

65090501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 65090501 is about 8067.8684297651. The cubic root of 65090501 is about 402.2590942964.

Adding to 65090501 its reverse (10509056), we get a palindrome (75599557).

The spelling of 65090501 in words is "sixty-five million, ninety thousand, five hundred one".