425334645 has 80 divisors (see below), whose sum is σ = 814397760. Its totient is φ = 211631616.

The previous prime is 425334641. The next prime is 425334673. The reversal of 425334645 is 546433524.

425334645 is a `hidden beast` number, since 4 + 2 + 5 + 3 + 3 + 4 + 645 = 666.

It is not a de Polignac number, because 425334645 - 2² = 425334641 is a prime.

Its product of digits (172800) is a multiple of the sum of its prime factors (576).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425334641) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1122066 + ... + 1122444.

It is an arithmetic number, because the mean of its divisors is an integer number (10179972).

Almost surely, 2^425334645 is an apocalyptic number.

425334645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

425334645 is a deficient number, since it is larger than the sum of its proper divisors (389063115).

425334645 is a wasteful number, since it uses less digits than its factorization.

425334645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 567 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

The square root of 425334645 is about 20623.6428644408. The cubic root of 425334645 is about 752.0445811855.

The spelling of 425334645 in words is "four hundred twenty-five million, three hundred thirty-four thousand, six hundred forty-five".