601551 has 12 divisors (see below), whose sum is σ = 879840. Its totient is φ = 396000.

The previous prime is 601543. The next prime is 601589. The reversal of 601551 is 155106.

It is not a de Polignac number, because 601551 - 2³ = 601543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 426 + ... + 1176.

It is an arithmetic number, because the mean of its divisors is an integer number (73320).

2⁶⁰¹⁵⁵¹ is an apocalyptic number.

601551 is a deficient number, since it is larger than the sum of its proper divisors (278289).

601551 is a wasteful number, since it uses less digits than its factorization.

601551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 601551 is about 775.5971892677. The cubic root of 601551 is about 84.4158797790.

Adding to 601551 its reverse (155106), we get a palindrome (756657).

The spelling of 601551 in words is "six hundred one thousand, five hundred fifty-one".