425665127 has 8 divisors (see below), whose sum is σ = 437310720. Its totient is φ = 414099000.

The previous prime is 425665099. The next prime is 425665139. The reversal of 425665127 is 721566524.

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 425665127 - 2⁶ = 425665063 is a prime.

It is a super-2 number, since 2×425665127² = 362381600687852258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425665147) 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, 8927 + ... + 30512.

It is an arithmetic number, because the mean of its divisors is an integer number (54663840).

Almost surely, 2^425665127 is an apocalyptic number.

425665127 is a deficient number, since it is larger than the sum of its proper divisors (11645593).

425665127 is a wasteful number, since it uses less digits than its factorization.

425665127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39733.

The product of its digits is 100800, while the sum is 38.

The square root of 425665127 is about 20631.6535207433. The cubic root of 425665127 is about 752.2393085274.

The spelling of 425665127 in words is "four hundred twenty-five million, six hundred sixty-five thousand, one hundred twenty-seven".