340521352 has 8 divisors (see below), whose sum is σ = 638477550. Its totient is φ = 170260672.

The previous prime is 340521347. The next prime is 340521353. The reversal of 340521352 is 253125043.

It can be written as a sum of positive squares in only one way, i.e., 217444516 + 123076836 = 14746^2 + 11094^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (340521353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21282577 + ... + 21282592.

Almost surely, 2^340521352 is an apocalyptic number.

It is an amenable number.

340521352 is a deficient number, since it is larger than the sum of its proper divisors (297956198).

340521352 is a wasteful number, since it uses less digits than its factorization.

340521352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42565175 (or 42565171 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 340521352 is about 18453.2206403110. The cubic root of 340521352 is about 698.3097669145.

Adding to 340521352 its reverse (253125043), we get a palindrome (593646395).

The spelling of 340521352 in words is "three hundred forty million, five hundred twenty-one thousand, three hundred fifty-two".