425165500 has 24 divisors (see below), whose sum is σ = 928562544. Its totient is φ = 170066000.

The previous prime is 425165497. The next prime is 425165519. The reversal of 425165500 is 5561524.

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, 424666 + ... + 425665.

It is an arithmetic number, because the mean of its divisors is an integer number (38690106).

Almost surely, 2^425165500 is an apocalyptic number.

It is an amenable number.

425165500 is an abundant number, since it is smaller than the sum of its proper divisors (503397044).

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

425165500 is a wasteful number, since it uses less digits than its factorization.

425165500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850350 (or 850338 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 425165500 is about 20619.5417019875. The cubic root of 425165500 is about 751.9448781650.

It can be divided in two parts, 4251 and 65500, that added together give a triangular number (69751 = T₃₇₃).

The spelling of 425165500 in words is "four hundred twenty-five million, one hundred sixty-five thousand, five hundred".