340531153 has 2 divisors, whose sum is σ = 340531154. Its totient is φ = 340531152.

The previous prime is 340531003. The next prime is 340531157. The reversal of 340531153 is 351135043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280127169 + 60403984 = 16737^2 + 7772^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340531153 is a prime.

It is a super-2 number, since 2×340531153² = 231922932327018818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (340531157) 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, 170265576 + 170265577.

It is an arithmetic number, because the mean of its divisors is an integer number (170265577).

Almost surely, 2^340531153 is an apocalyptic number.

It is an amenable number.

340531153 is a deficient number, since it is larger than the sum of its proper divisors (1).

340531153 is an equidigital number, since it uses as much as digits as its factorization.

340531153 is an odious number, because the sum of its binary digits is odd.

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

The square root of 340531153 is about 18453.4862017994. The cubic root of 340531153 is about 698.3164665123.

Adding to 340531153 its reverse (351135043), we get a palindrome (691666196).

The spelling of 340531153 in words is "three hundred forty million, five hundred thirty-one thousand, one hundred fifty-three".