654620497 has 8 divisors (see below), whose sum is σ = 665746560. Its totient is φ = 643547520.

The previous prime is 654620467. The next prime is 654620501. The reversal of 654620497 is 794026456.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-654620497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654620467) 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, 12004 + ... + 38122.

It is an arithmetic number, because the mean of its divisors is an integer number (83218320).

Almost surely, 2^654620497 is an apocalyptic number.

It is an amenable number.

654620497 is a deficient number, since it is larger than the sum of its proper divisors (11126063).

654620497 is a wasteful number, since it uses less digits than its factorization.

654620497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26543.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 654620497 is about 25585.5525052714. The cubic root of 654620497 is about 868.2868021120.

The spelling of 654620497 in words is "six hundred fifty-four million, six hundred twenty thousand, four hundred ninety-seven".