404451125 has 16 divisors (see below), whose sum is σ = 543584496. Its totient is φ = 298670400.

The previous prime is 404451083. The next prime is 404451127. The reversal of 404451125 is 521154404.

It can be written as a sum of positive squares in 8 ways, for example, as 268238884 + 136212241 = 16378^2 + 11671^2 .

It is not a de Polignac number, because 404451125 - 2²² = 400256821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404451094 and 404451103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404451127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122822 + ... + 126071.

It is an arithmetic number, because the mean of its divisors is an integer number (33974031).

Almost surely, 2^404451125 is an apocalyptic number.

It is an amenable number.

404451125 is a deficient number, since it is larger than the sum of its proper divisors (139133371).

404451125 is a wasteful number, since it uses less digits than its factorization.

404451125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248921 (or 248911 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 404451125 is about 20110.9702650071. The cubic root of 404451125 is about 739.5292385659.

The spelling of 404451125 in words is "four hundred four million, four hundred fifty-one thousand, one hundred twenty-five".