601251066 has 32 divisors (see below), whose sum is σ = 1438893120. Its totient is φ = 185000112.

The previous prime is 601251061. The next prime is 601251089. The reversal of 601251066 is 660152106.

It is a happy number.

601251066 is a `hidden beast` number, since 601 + 2 + 51 + 0 + 6 + 6 = 666.

It is a super-2 number, since 2×601251066² = 723005688732272712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (601251061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427540 + ... + 428943.

It is an arithmetic number, because the mean of its divisors is an integer number (44965410).

Almost surely, 2^601251066 is an apocalyptic number.

601251066 is an abundant number, since it is smaller than the sum of its proper divisors (837642054).

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

601251066 is a wasteful number, since it uses less digits than its factorization.

601251066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856507 (or 856501 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 601251066 is about 24520.4214074718. The cubic root of 601251066 is about 844.0184749593.

The spelling of 601251066 in words is "six hundred one million, two hundred fifty-one thousand, sixty-six".