409676025 has 48 divisors (see below), whose sum is σ = 758933568. Its totient is φ = 193248000.

The previous prime is 409676021. The next prime is 409676041. The reversal of 409676025 is 520676904.

It is not a de Polignac number, because 409676025 - 2² = 409676021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (409676021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23815 + ... + 37235.

It is an arithmetic number, because the mean of its divisors is an integer number (15811116).

Almost surely, 2^409676025 is an apocalyptic number.

It is an amenable number.

409676025 is a deficient number, since it is larger than the sum of its proper divisors (349257543).

409676025 is a wasteful number, since it uses less digits than its factorization.

409676025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13482 (or 13477 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 409676025 is about 20240.4551579257. The cubic root of 409676025 is about 742.7001580344.

The spelling of 409676025 in words is "four hundred nine million, six hundred seventy-six thousand, twenty-five".