345061 has 4 divisors (see below), whose sum is σ = 356224. Its totient is φ = 333900.

The previous prime is 345047. The next prime is 345067. The reversal of 345061 is 160543.

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: 160543 = 37 ⋅4339.

It is a cyclic number.

It is not a de Polignac number, because 345061 - 2¹⁷ = 213989 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 (345067) 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, 5535 + ... + 5596.

It is an arithmetic number, because the mean of its divisors is an integer number (89056).

2³⁴⁵⁰⁶¹ is an apocalyptic number.

345061 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

345061 is a deficient number, since it is larger than the sum of its proper divisors (11163).

345061 is a wasteful number, since it uses less digits than its factorization.

345061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11162.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 345061 is about 587.4189305768. The cubic root of 345061 is about 70.1399241984.

The spelling of 345061 in words is "three hundred forty-five thousand, sixty-one".