425651605 has 8 divisors (see below), whose sum is σ = 517248000. Its totient is φ = 336210576.

The previous prime is 425651537. The next prime is 425651651. The reversal of 425651605 is 506156524.

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 425651605 - 2⁷ = 425651477 is a prime.

It is a super-3 number, since 3×425651605³ (a number of 27 digits) contains 333 as substring.

It is a congruent 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, 538405 + ... + 539194.

It is an arithmetic number, because the mean of its divisors is an integer number (64656000).

Almost surely, 2^425651605 is an apocalyptic number.

It is an amenable number.

425651605 is a deficient number, since it is larger than the sum of its proper divisors (91596395).

425651605 is a wasteful number, since it uses less digits than its factorization.

425651605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077683.

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

The square root of 425651605 is about 20631.3258177946. The cubic root of 425651605 is about 752.2313430423.

The spelling of 425651605 in words is "four hundred twenty-five million, six hundred fifty-one thousand, six hundred five".