345628001 has 4 divisors (see below), whose sum is σ = 345717252. Its totient is φ = 345538752.

The previous prime is 345627973. The next prime is 345628051. The reversal of 345628001 is 100826543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100826543 = 2699 ⋅37357.

It can be written as a sum of positive squares in 2 ways, for example, as 199798225 + 145829776 = 14135^2 + 12076^2 .

It is a cyclic number.

It is not a de Polignac number, because 345628001 - 2¹⁰ = 345626977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345628051) 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, 38540 + ... + 46653.

It is an arithmetic number, because the mean of its divisors is an integer number (86429313).

Almost surely, 2^345628001 is an apocalyptic number.

It is an amenable number.

345628001 is a deficient number, since it is larger than the sum of its proper divisors (89251).

345628001 is an equidigital number, since it uses as much as digits as its factorization.

345628001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89250.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 345628001 is about 18591.0731535326. The cubic root of 345628001 is about 701.7832093029.

The spelling of 345628001 in words is "three hundred forty-five million, six hundred twenty-eight thousand, one".