65097497 has 4 divisors (see below), whose sum is σ = 65345280. Its totient is φ = 64849716.

The previous prime is 65097479. The next prime is 65097503. The reversal of 65097497 is 79479056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65097497 - 2¹² = 65093401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65097407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123497 + ... + 124022.

It is an arithmetic number, because the mean of its divisors is an integer number (16336320).

Almost surely, 2^65097497 is an apocalyptic number.

It is an amenable number.

65097497 is a deficient number, since it is larger than the sum of its proper divisors (247783).

65097497 is a wasteful number, since it uses less digits than its factorization.

65097497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247782.

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 65097497 is about 8068.3019898861. The cubic root of 65097497 is about 402.2735055328.

The spelling of 65097497 in words is "sixty-five million, ninety-seven thousand, four hundred ninety-seven".