425336427 has 20 divisors (see below), whose sum is σ = 636222840. Its totient is φ = 283181184.

The previous prime is 425336389. The next prime is 425336441. The reversal of 425336427 is 724633524.

425336427 is a `hidden beast` number, since 4 + 2 + 5 + 3 + 3 + 642 + 7 = 666.

It is not a de Polignac number, because 425336427 - 2¹¹ = 425334379 is a prime.

It is a super-2 number, since 2×425336427² = 361822152266252658, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 425336391 and 425336400.

It is not an unprimeable number, because it can be changed into a prime (425336227) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 66523 + ... + 72635.

It is an arithmetic number, because the mean of its divisors is an integer number (31811142).

Almost surely, 2^425336427 is an apocalyptic number.

425336427 is a deficient number, since it is larger than the sum of its proper divisors (210886413).

425336427 is an equidigital number, since it uses as much as digits as its factorization.

425336427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6984 (or 6975 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 425336427 is about 20623.6860672383. The cubic root of 425336427 is about 752.0456314499.

The spelling of 425336427 in words is "four hundred twenty-five million, three hundred thirty-six thousand, four hundred twenty-seven".