345630053 has 2 divisors, whose sum is σ = 345630054. Its totient is φ = 345630052.

The previous prime is 345630037. The next prime is 345630113. The reversal of 345630053 is 350036543.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298529284 + 47100769 = 17278^2 + 6863^2 .

It is a cyclic number.

It is not a de Polignac number, because 345630053 - 2⁴ = 345630037 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 345629998 and 345630025.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345830053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172815026 + 172815027.

It is an arithmetic number, because the mean of its divisors is an integer number (172815027).

Almost surely, 2^345630053 is an apocalyptic number.

It is an amenable number.

345630053 is a deficient number, since it is larger than the sum of its proper divisors (1).

345630053 is an equidigital number, since it uses as much as digits as its factorization.

345630053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 29.

The square root of 345630053 is about 18591.1283412277. The cubic root of 345630053 is about 701.7845981336.

Adding to 345630053 its reverse (350036543), we get a palindrome (695666596).

The spelling of 345630053 in words is "three hundred forty-five million, six hundred thirty thousand, fifty-three".