416894725 has 36 divisors (see below), whose sum is σ = 572778444. Its totient is φ = 299220480.

The previous prime is 416894717. The next prime is 416894743. The reversal of 416894725 is 527498614.

It is a Cunningham number, because it is equal to 20418²+1.

It can be written as a sum of positive squares in 18 ways, for example, as 273637764 + 143256961 = 16542^2 + 11969^2 .

It is not a de Polignac number, because 416894725 - 2³ = 416894717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 444457 + ... + 445393.

Almost surely, 2^416894725 is an apocalyptic number.

It is an amenable number.

416894725 is a deficient number, since it is larger than the sum of its proper divisors (155883719).

416894725 is a wasteful number, since it uses less digits than its factorization.

416894725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034 (or 992 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 416894725 is about 20418.0000244882. Note that the first 4 decimals coincide. The cubic root of 416894725 is about 747.0370357982.

The spelling of 416894725 in words is "four hundred sixteen million, eight hundred ninety-four thousand, seven hundred twenty-five".