345800461 has 4 divisors (see below), whose sum is σ = 352325052. Its totient is φ = 339275872.

The previous prime is 345800449. The next prime is 345800471. The reversal of 345800461 is 164008543.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 164008543 = 29 ⋅5655467.

It can be written as a sum of positive squares in 2 ways, for example, as 222457225 + 123343236 = 14915^2 + 11106^2 .

It is a cyclic number.

It is not a de Polignac number, because 345800461 - 2¹¹ = 345798413 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345800431) 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, 3262216 + ... + 3262321.

It is an arithmetic number, because the mean of its divisors is an integer number (88081263).

Almost surely, 2^345800461 is an apocalyptic number.

It is an amenable number.

345800461 is a deficient number, since it is larger than the sum of its proper divisors (6524591).

345800461 is an equidigital number, since it uses as much as digits as its factorization.

345800461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6524590.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 345800461 is about 18595.7108226602. The cubic root of 345800461 is about 701.8999141679.

The spelling of 345800461 in words is "three hundred forty-five million, eight hundred thousand, four hundred sixty-one".