345211653 has 4 divisors (see below), whose sum is σ = 460282208. Its totient is φ = 230141100.

The previous prime is 345211619. The next prime is 345211661. The reversal of 345211653 is 356112543.

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: 356112543 = 3 ⋅118704181.

It is not a de Polignac number, because 345211653 - 2¹² = 345207557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345211653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345211553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57535273 + ... + 57535278.

It is an arithmetic number, because the mean of its divisors is an integer number (115070552).

Almost surely, 2^345211653 is an apocalyptic number.

It is an amenable number.

345211653 is a deficient number, since it is larger than the sum of its proper divisors (115070555).

345211653 is a wasteful number, since it uses less digits than its factorization.

345211653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115070554.

The product of its digits is 10800, while the sum is 30.

The square root of 345211653 is about 18579.8722546739. The cubic root of 345211653 is about 701.5013036731.

The spelling of 345211653 in words is "three hundred forty-five million, two hundred eleven thousand, six hundred fifty-three".