354638413 has 2 divisors, whose sum is σ = 354638414. Its totient is φ = 354638412.

The previous prime is 354638381. The next prime is 354638441. The reversal of 354638413 is 314836453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228705129 + 125933284 = 15123^2 + 11222^2 .

It is an emirp because it is prime and its reverse (314836453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354638413 - 2⁵ = 354638381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354638443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177319206 + 177319207.

It is an arithmetic number, because the mean of its divisors is an integer number (177319207).

Almost surely, 2^354638413 is an apocalyptic number.

It is an amenable number.

354638413 is a deficient number, since it is larger than the sum of its proper divisors (1).

354638413 is an equidigital number, since it uses as much as digits as its factorization.

354638413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 37.

The square root of 354638413 is about 18831.8457141089. The cubic root of 354638413 is about 707.8293907539.

The spelling of 354638413 in words is "three hundred fifty-four million, six hundred thirty-eight thousand, four hundred thirteen".