2520417429 has 6 divisors (see below), whose sum is σ = 3640602966. Its totient is φ = 1680278280.

The previous prime is 2520417407. The next prime is 2520417439. The reversal of 2520417429 is 9247140252.

2520417429 is a `hidden beast` number, since 2 + 520 + 41 + 74 + 29 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2200079025 + 320338404 = 46905^2 + 17898^2 .

It is not a de Polignac number, because 2520417429 - 2⁹ = 2520416917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2520417393 and 2520417402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520417439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140023182 + ... + 140023199.

It is an arithmetic number, because the mean of its divisors is an integer number (606767161).

Almost surely, 2^2520417429 is an apocalyptic number.

It is an amenable number.

2520417429 is a deficient number, since it is larger than the sum of its proper divisors (1120185537).

2520417429 is a wasteful number, since it uses less digits than its factorization.

2520417429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280046387 (or 280046384 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2520417429 is about 50203.7591122418. The cubic root of 2520417429 is about 1360.8935572795.

The spelling of 2520417429 in words is "two billion, five hundred twenty million, four hundred seventeen thousand, four hundred twenty-nine".