2412320545 has 8 divisors (see below), whose sum is σ = 2898613224. Its totient is φ = 1927304064.

The previous prime is 2412320539. The next prime is 2412320557. The reversal of 2412320545 is 5450232142.

It can be written as a sum of positive squares in 4 ways, for example, as 995023936 + 1417296609 = 31544^2 + 37647^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2412320545 - 2⁵ = 2412320513 is a prime.

It is a super-3 number, since 3×2412320545³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314884 + ... + 322453.

It is an arithmetic number, because the mean of its divisors is an integer number (362326653).

Almost surely, 2^2412320545 is an apocalyptic number.

It is an amenable number.

2412320545 is a deficient number, since it is larger than the sum of its proper divisors (486292679).

2412320545 is an equidigital number, since it uses as much as digits as its factorization.

2412320545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638099.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2412320545 is about 49115.3799231972. The cubic root of 2412320545 is about 1341.1530405560.

Adding to 2412320545 its reverse (5450232142), we get a palindrome (7862552687).

The spelling of 2412320545 in words is "two billion, four hundred twelve million, three hundred twenty thousand, five hundred forty-five".