354725663 has 4 divisors (see below), whose sum is σ = 355423080. Its totient is φ = 354028248.

The previous prime is 354725633. The next prime is 354725669. The reversal of 354725663 is 366527453.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 354725663 - 2⁸ = 354725407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 354725663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354725669) 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, 347945 + ... + 348962.

It is an arithmetic number, because the mean of its divisors is an integer number (88855770).

Almost surely, 2^354725663 is an apocalyptic number.

354725663 is a deficient number, since it is larger than the sum of its proper divisors (697417).

354725663 is an equidigital number, since it uses as much as digits as its factorization.

354725663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697416.

The product of its digits is 453600, while the sum is 41.

The square root of 354725663 is about 18834.1621263065. The cubic root of 354725663 is about 707.8874339589.

The spelling of 354725663 in words is "three hundred fifty-four million, seven hundred twenty-five thousand, six hundred sixty-three".