425160561 has 32 divisors (see below), whose sum is σ = 674472960. Its totient is φ = 233077824.

The previous prime is 425160559. The next prime is 425160601. The reversal of 425160561 is 165061524.

It is not a de Polignac number, because 425160561 - 2¹ = 425160559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425160521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97126 + ... + 101408.

It is an arithmetic number, because the mean of its divisors is an integer number (21077280).

Almost surely, 2^425160561 is an apocalyptic number.

It is an amenable number.

425160561 is a deficient number, since it is larger than the sum of its proper divisors (249312399).

425160561 is a wasteful number, since it uses less digits than its factorization.

425160561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4485.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 425160561 is about 20619.4219366111. The cubic root of 425160561 is about 751.9419664596.

The spelling of 425160561 in words is "four hundred twenty-five million, one hundred sixty thousand, five hundred sixty-one".