415252639 has 8 divisors (see below), whose sum is σ = 417433680. Its totient is φ = 413077056.

The previous prime is 415252589. The next prime is 415252687. The reversal of 415252639 is 936252514.

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 415252639 - 2¹³ = 415244447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 415252598 and 415252607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (415252039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321507 + ... + 322795.

It is an arithmetic number, because the mean of its divisors is an integer number (52179210).

Almost surely, 2^415252639 is an apocalyptic number.

415252639 is a deficient number, since it is larger than the sum of its proper divisors (2181041).

415252639 is a wasteful number, since it uses less digits than its factorization.

415252639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729.

The product of its digits is 64800, while the sum is 37.

The square root of 415252639 is about 20377.7486244187. The cubic root of 415252639 is about 746.0549227988.

The spelling of 415252639 in words is "four hundred fifteen million, two hundred fifty-two thousand, six hundred thirty-nine".