2520417431 has 8 divisors (see below), whose sum is σ = 3032081280. Its totient is φ = 2046654648.

The previous prime is 2520417407. The next prime is 2520417439. The reversal of 2520417431 is 1347140252.

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 2520417431 - 2²⁶ = 2453308567 is a prime.

It is a super-2 number, since 2×2520417431² = 12705008052977279522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2520417394 and 2520417403.

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 7 ways as a sum of consecutive naturals, for example, 9475121 + ... + 9475386.

It is an arithmetic number, because the mean of its divisors is an integer number (379010160).

Almost surely, 2^2520417431 is an apocalyptic number.

2520417431 is a deficient number, since it is larger than the sum of its proper divisors (511663849).

2520417431 is a wasteful number, since it uses less digits than its factorization.

2520417431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18950533.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 2520417431 is about 50203.7591321606. The cubic root of 2520417431 is about 1360.8935576395.

Adding to 2520417431 its reverse (1347140252), we get a palindrome (3867557683).

The spelling of 2520417431 in words is "two billion, five hundred twenty million, four hundred seventeen thousand, four hundred thirty-one".