2520346045 has 16 divisors (see below), whose sum is σ = 3498122880.
Its totient is φ = 1707413184.
The previous prime is 2520346019. The next prime is 2520346061. The reversal of 2520346045 is 5406430252.
It is a cyclic number.
It is not a de Polignac number, because 2520346045 - 25 = 2520346013 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2520345998 and 2520346016.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430890 + ... + 436699.
It is an arithmetic number, because the mean of its divisors is an integer number (218632680).
Almost surely, 22520346045 is an apocalyptic number.
It is an amenable number.
2520346045 is a deficient number, since it is larger than the sum of its proper divisors (977776835).
2520346045 is an equidigital number, since it uses as much as digits as its factorization.
2520346045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 867684.
The product of its (nonzero) digits is 28800, while the sum is 31.
The square root of 2520346045 is about 50203.0481644292.
The cubic root of 2520346045 is about 1360.8807092830.
Adding to 2520346045 its reverse (5406430252), we get a palindrome (7926776297).
The spelling of 2520346045 in words is "two billion, five hundred twenty million, three hundred forty-six thousand, forty-five".