680295453 has 4 divisors (see below), whose sum is σ = 907060608. Its totient is φ = 453530300.

The previous prime is 680295419. The next prime is 680295457. The reversal of 680295453 is 354592086.

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 680295453 - 2¹⁰ = 680294429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680295457) 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, 113382573 + ... + 113382578.

It is an arithmetic number, because the mean of its divisors is an integer number (226765152).

Almost surely, 2^680295453 is an apocalyptic number.

It is an amenable number.

680295453 is a deficient number, since it is larger than the sum of its proper divisors (226765155).

680295453 is a wasteful number, since it uses less digits than its factorization.

680295453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226765154.

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 680295453 is about 26082.4740582637. The cubic root of 680295453 is about 879.4932744728.

The spelling of 680295453 in words is "six hundred eighty million, two hundred ninety-five thousand, four hundred fifty-three".