340113553 has 4 divisors (see below), whose sum is σ = 366276148. Its totient is φ = 313950960.

The previous prime is 340113551. The next prime is 340113559. The reversal of 340113553 is 355311043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 156050064 + 184063489 = 12492^2 + 13567^2 .

It is a cyclic number.

It is not a de Polignac number, because 340113553 - 2¹ = 340113551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340113551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13081278 + ... + 13081303.

It is an arithmetic number, because the mean of its divisors is an integer number (91569037).

Almost surely, 2^340113553 is an apocalyptic number.

It is an amenable number.

340113553 is a deficient number, since it is larger than the sum of its proper divisors (26162595).

340113553 is a wasteful number, since it uses less digits than its factorization.

340113553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26162594.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 340113553 is about 18442.1677955711. The cubic root of 340113553 is about 698.0308967093.

Adding to 340113553 its reverse (355311043), we get a palindrome (695424596).

The spelling of 340113553 in words is "three hundred forty million, one hundred thirteen thousand, five hundred fifty-three".