352774993 has 2 divisors, whose sum is σ = 352774994. Its totient is φ = 352774992.

The previous prime is 352774949. The next prime is 352774999. The reversal of 352774993 is 399477253.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263510289 + 89264704 = 16233^2 + 9448^2 .

It is a cyclic number.

It is not a de Polignac number, because 352774993 - 2⁹ = 352774481 is a prime.

It is not a weakly prime, because it can be changed into another prime (352774999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176387496 + 176387497.

It is an arithmetic number, because the mean of its divisors is an integer number (176387497).

Almost surely, 2^352774993 is an apocalyptic number.

It is an amenable number.

352774993 is a deficient number, since it is larger than the sum of its proper divisors (1).

352774993 is an equidigital number, since it uses as much as digits as its factorization.

352774993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 49.

The square root of 352774993 is about 18782.3053164408. The cubic root of 352774993 is about 706.5874681574.

The spelling of 352774993 in words is "three hundred fifty-two million, seven hundred seventy-four thousand, nine hundred ninety-three".