425986901 has 8 divisors (see below), whose sum is σ = 457224984. Its totient is φ = 395435520.

The previous prime is 425986889. The next prime is 425986907. The reversal of 425986901 is 109689524.

It can be written as a sum of positive squares in 4 ways, for example, as 64416676 + 361570225 = 8026^2 + 19015^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 425986901 - 2¹⁰ = 425985877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425986907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170390 + ... + 172871.

It is an arithmetic number, because the mean of its divisors is an integer number (57153123).

Almost surely, 2^425986901 is an apocalyptic number.

It is an amenable number.

425986901 is a deficient number, since it is larger than the sum of its proper divisors (31238083).

425986901 is a wasteful number, since it uses less digits than its factorization.

425986901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343351.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 425986901 is about 20639.4501137991. The cubic root of 425986901 is about 752.4288081051.

The spelling of 425986901 in words is "four hundred twenty-five million, nine hundred eighty-six thousand, nine hundred one".