425650561 has 8 divisors (see below), whose sum is σ = 498322944. Its totient is φ = 355944480.

The previous prime is 425650549. The next prime is 425650591. The reversal of 425650561 is 165056524.

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 425650561 - 2²¹ = 423553409 is a prime.

It is a super-2 number, since 2×425650561² = 362356800159229442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425650501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741265 + ... + 741838.

It is an arithmetic number, because the mean of its divisors is an integer number (62290368).

Almost surely, 2^425650561 is an apocalyptic number.

425650561 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

425650561 is a deficient number, since it is larger than the sum of its proper divisors (72672383).

425650561 is a wasteful number, since it uses less digits than its factorization.

425650561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483151.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 425650561 is about 20631.3005164483. The cubic root of 425650561 is about 752.2307280400.

The spelling of 425650561 in words is "four hundred twenty-five million, six hundred fifty thousand, five hundred sixty-one".