345203461 has 4 divisors (see below), whose sum is σ = 345322624. Its totient is φ = 345084300.

The previous prime is 345203449. The next prime is 345203473. The reversal of 345203461 is 164302543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 164302543 = 3499 ⋅46957.

It is an interprime number because it is at equal distance from previous prime (345203449) and next prime (345203473).

It is a cyclic number.

It is not a de Polignac number, because 345203461 - 2¹⁷ = 345072389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345203401) 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, 55125 + ... + 61066.

It is an arithmetic number, because the mean of its divisors is an integer number (86330656).

Almost surely, 2^345203461 is an apocalyptic number.

It is an amenable number.

345203461 is a deficient number, since it is larger than the sum of its proper divisors (119163).

345203461 is a wasteful number, since it uses less digits than its factorization.

345203461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119162.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 345203461 is about 18579.6517997513. The cubic root of 345203461 is about 701.4957546676.

The spelling of 345203461 in words is "three hundred forty-five million, two hundred three thousand, four hundred sixty-one".