2437561345 has 4 divisors (see below), whose sum is σ = 2925073620. Its totient is φ = 1950049072.

The previous prime is 2437561271. The next prime is 2437561349. The reversal of 2437561345 is 5431657342.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5431657342 = 2 ⋅2715828671.

It can be written as a sum of positive squares in 2 ways, for example, as 1056770064 + 1380791281 = 32508^2 + 37159^2 .

It is a cyclic number.

It is not a de Polignac number, because 2437561345 - 2²¹ = 2435464193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2437561298 and 2437561307.

It is not an unprimeable number, because it can be changed into a prime (2437561349) 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, 243756130 + ... + 243756139.

It is an arithmetic number, because the mean of its divisors is an integer number (731268405).

Almost surely, 2^2437561345 is an apocalyptic number.

It is an amenable number.

2437561345 is a deficient number, since it is larger than the sum of its proper divisors (487512275).

2437561345 is an equidigital number, since it uses as much as digits as its factorization.

2437561345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487512274.

The product of its digits is 302400, while the sum is 40.

The square root of 2437561345 is about 49371.6654063847. The cubic root of 2437561345 is about 1345.8144429503.

The spelling of 2437561345 in words is "two billion, four hundred thirty-seven million, five hundred sixty-one thousand, three hundred forty-five".