354785513 has 2 divisors, whose sum is σ = 354785514. Its totient is φ = 354785512.

The previous prime is 354785503. The next prime is 354785567. The reversal of 354785513 is 315587453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244703449 + 110082064 = 15643^2 + 10492^2 .

It is an emirp because it is prime and its reverse (315587453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354785513 - 2²² = 350591209 is a prime.

It is not a weakly prime, because it can be changed into another prime (354785503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177392756 + 177392757.

It is an arithmetic number, because the mean of its divisors is an integer number (177392757).

Almost surely, 2^354785513 is an apocalyptic number.

It is an amenable number.

354785513 is a deficient number, since it is larger than the sum of its proper divisors (1).

354785513 is an equidigital number, since it uses as much as digits as its factorization.

354785513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252000, while the sum is 41.

The square root of 354785513 is about 18835.7509274252. The cubic root of 354785513 is about 707.9272437658.

The spelling of 354785513 in words is "three hundred fifty-four million, seven hundred eighty-five thousand, five hundred thirteen".