425332081 has 16 divisors (see below), whose sum is σ = 452757760. Its totient is φ = 398442240.

The previous prime is 425332079. The next prime is 425332087. The reversal of 425332081 is 180233524.

It is a cyclic number.

It is not a de Polignac number, because 425332081 - 2¹ = 425332079 is a prime.

It is a super-2 number, since 2×425332081² = 361814758255581122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425332087) 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, 1158760 + ... + 1159126.

It is an arithmetic number, because the mean of its divisors is an integer number (28297360).

Almost surely, 2^425332081 is an apocalyptic number.

It is an amenable number.

425332081 is a deficient number, since it is larger than the sum of its proper divisors (27425679).

425332081 is a wasteful number, since it uses less digits than its factorization.

425332081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 425332081 is about 20623.5807026811. The cubic root of 425332081 is about 752.0430700254.

The spelling of 425332081 in words is "four hundred twenty-five million, three hundred thirty-two thousand, eighty-one".