345246413 has 4 divisors (see below), whose sum is σ = 345673980. Its totient is φ = 344818848.

The previous prime is 345246409. The next prime is 345246431. The reversal of 345246413 is 314642543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 299913124 + 45333289 = 17318^2 + 6733^2 .

It is a cyclic number.

It is not a de Polignac number, because 345246413 - 2² = 345246409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 345246413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345246113) 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, 212570 + ... + 214187.

It is an arithmetic number, because the mean of its divisors is an integer number (86418495).

Almost surely, 2^345246413 is an apocalyptic number.

It is an amenable number.

345246413 is a deficient number, since it is larger than the sum of its proper divisors (427567).

345246413 is an equidigital number, since it uses as much as digits as its factorization.

345246413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427566.

The product of its digits is 34560, while the sum is 32.

The square root of 345246413 is about 18580.8076519833. The cubic root of 345246413 is about 701.5248480376.

Adding to 345246413 its reverse (314642543), we get a palindrome (659888956).

The spelling of 345246413 in words is "three hundred forty-five million, two hundred forty-six thousand, four hundred thirteen".