354625663 has 4 divisors (see below), whose sum is σ = 405286480. Its totient is φ = 303964848.

The previous prime is 354625657. The next prime is 354625673. The reversal of 354625663 is 366526453.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354625663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354625603) 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, 25330398 + ... + 25330411.

It is an arithmetic number, because the mean of its divisors is an integer number (101321620).

Almost surely, 2^354625663 is an apocalyptic number.

354625663 is a deficient number, since it is larger than the sum of its proper divisors (50660817).

354625663 is an equidigital number, since it uses as much as digits as its factorization.

354625663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50660816.

The product of its digits is 388800, while the sum is 40.

The square root of 354625663 is about 18831.5071887515. The cubic root of 354625663 is about 707.8209079984.

The spelling of 354625663 in words is "three hundred fifty-four million, six hundred twenty-five thousand, six hundred sixty-three".