2520353045 has 16 divisors (see below), whose sum is σ = 3488200320. Its totient is φ = 1712384064.

The previous prime is 2520353039. The next prime is 2520353053. The reversal of 2520353045 is 5403530252.

It is a cyclic number.

It is not a de Polignac number, because 2520353045 - 2⁶ = 2520352981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2520352999 and 2520353017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326507 + ... + 334136.

It is an arithmetic number, because the mean of its divisors is an integer number (218012520).

Almost surely, 2^2520353045 is an apocalyptic number.

It is an amenable number.

2520353045 is a deficient number, since it is larger than the sum of its proper divisors (967847275).

2520353045 is a wasteful number, since it uses less digits than its factorization.

2520353045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660764.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 2520353045 is about 50203.1178812631. The cubic root of 2520353045 is about 1360.8819691836.

Adding to 2520353045 its reverse (5403530252), we get a palindrome (7923883297).

The spelling of 2520353045 in words is "two billion, five hundred twenty million, three hundred fifty-three thousand, forty-five".