354630973 has 2 divisors, whose sum is σ = 354630974. Its totient is φ = 354630972.

The previous prime is 354630971. The next prime is 354631001. The reversal of 354630973 is 379036453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337016164 + 17614809 = 18358^2 + 4197^2 .

It is a cyclic number.

It is not a de Polignac number, because 354630973 - 2¹ = 354630971 is a prime.

Together with 354630971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354630971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177315486 + 177315487.

It is an arithmetic number, because the mean of its divisors is an integer number (177315487).

Almost surely, 2^354630973 is an apocalyptic number.

It is an amenable number.

354630973 is a deficient number, since it is larger than the sum of its proper divisors (1).

354630973 is an equidigital number, since it uses as much as digits as its factorization.

354630973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 40.

The square root of 354630973 is about 18831.6481753457. The cubic root of 354630973 is about 707.8244408413.

The spelling of 354630973 in words is "three hundred fifty-four million, six hundred thirty thousand, nine hundred seventy-three".