2520357545 has 8 divisors (see below), whose sum is σ = 3048244224. Its totient is φ = 2000409264.

The previous prime is 2520357529. The next prime is 2520357569. The reversal of 2520357545 is 5457530252.

2520357545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2520357545 - 2⁴ = 2520357529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2520357499 and 2520357508.

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, 1983899 + ... + 1985168.

It is an arithmetic number, because the mean of its divisors is an integer number (381030528).

Almost surely, 2^2520357545 is an apocalyptic number.

It is an amenable number.

2520357545 is a deficient number, since it is larger than the sum of its proper divisors (527886679).

2520357545 is a wasteful number, since it uses less digits than its factorization.

2520357545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3969199.

The product of its (nonzero) digits is 210000, while the sum is 38.

The square root of 2520357545 is about 50203.1626991766. The cubic root of 2520357545 is about 1360.8827791184.

Adding to 2520357545 its reverse (5457530252), we get a palindrome (7977887797).

The spelling of 2520357545 in words is "two billion, five hundred twenty million, three hundred fifty-seven thousand, five hundred forty-five".