415879249 has 2 divisors, whose sum is σ = 415879250. Its totient is φ = 415879248.

The previous prime is 415879241. The next prime is 415879253. The reversal of 415879249 is 942978514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241243024 + 174636225 = 15532^2 + 13215^2 .

It is a cyclic number.

It is not a de Polignac number, because 415879249 - 2³ = 415879241 is a prime.

It is not a weakly prime, because it can be changed into another prime (415879241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207939624 + 207939625.

It is an arithmetic number, because the mean of its divisors is an integer number (207939625).

Almost surely, 2^415879249 is an apocalyptic number.

It is an amenable number.

415879249 is a deficient number, since it is larger than the sum of its proper divisors (1).

415879249 is an equidigital number, since it uses as much as digits as its factorization.

415879249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 49.

The square root of 415879249 is about 20393.1176871022. The cubic root of 415879249 is about 746.4299960958.

The spelling of 415879249 in words is "four hundred fifteen million, eight hundred seventy-nine thousand, two hundred forty-nine".