2520417405 has 32 divisors (see below), whose sum is σ = 4550981760. Its totient is φ = 1179879680.

The previous prime is 2520417391. The next prime is 2520417407. The reversal of 2520417405 is 5047140252.

2520417405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2520417405 - 2⁹ = 2520416893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520417407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258582 + ... + 268151.

It is an arithmetic number, because the mean of its divisors is an integer number (142218180).

Almost surely, 2^2520417405 is an apocalyptic number.

It is an amenable number.

2520417405 is a deficient number, since it is larger than the sum of its proper divisors (2030564355).

2520417405 is a wasteful number, since it uses less digits than its factorization.

2520417405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526781.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 2520417405 is about 50203.7588732159. The cubic root of 2520417405 is about 1360.8935529599.

Adding to 2520417405 its reverse (5047140252), we get a palindrome (7567557657).

The spelling of 2520417405 in words is "two billion, five hundred twenty million, four hundred seventeen thousand, four hundred five".