425706156 has 18 divisors (see below), whose sum is σ = 1076090652. Its totient is φ = 141902040.

The previous prime is 425706139. The next prime is 425706161. The reversal of 425706156 is 651607524.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×425706156³ (a number of 27 digits) contains 333 as substring.

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

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 11825171 = 425706156 / (4 + 2 + 5 + 7 + 0 + 6 + 1 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 425706156.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5912550 + ... + 5912621.

It is an arithmetic number, because the mean of its divisors is an integer number (59782814).

Almost surely, 2^425706156 is an apocalyptic number.

It is an amenable number.

425706156 is an abundant number, since it is smaller than the sum of its proper divisors (650384496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425706156 is a wasteful number, since it uses less digits than its factorization.

425706156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11825181 (or 11825176 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 425706156 is about 20632.6478184454. The cubic root of 425706156 is about 752.2634766923.

The spelling of 425706156 in words is "four hundred twenty-five million, seven hundred six thousand, one hundred fifty-six".