425505505 has 8 divisors (see below), whose sum is σ = 510882624. Its totient is φ = 340220400.

The previous prime is 425505449. The next prime is 425505541. The reversal of 425505505 is 505505524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 425505505 - 2¹⁹ = 424981217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12381 + ... + 31690.

It is an arithmetic number, because the mean of its divisors is an integer number (63860328).

Almost surely, 2^425505505 is an apocalyptic number.

It is an amenable number.

425505505 is a deficient number, since it is larger than the sum of its proper divisors (85377119).

425505505 is a wasteful number, since it uses less digits than its factorization.

425505505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46007.

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 425505505 is about 20627.7847816967. The cubic root of 425505505 is about 752.1452682851.

The spelling of 425505505 in words is "four hundred twenty-five million, five hundred five thousand, five hundred five".