601281551 has 24 divisors (see below), whose sum is σ = 692665680. Its totient is φ = 521828736.

The previous prime is 601281533. The next prime is 601281587. The reversal of 601281551 is 155182106.

It is not a de Polignac number, because 601281551 - 2¹⁰ = 601280527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601281151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 634460 + ... + 635406.

It is an arithmetic number, because the mean of its divisors is an integer number (28861070).

Almost surely, 2^601281551 is an apocalyptic number.

601281551 is a deficient number, since it is larger than the sum of its proper divisors (91384129).

601281551 is an equidigital number, since it uses as much as digits as its factorization.

601281551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 29.

The square root of 601281551 is about 24521.0430243087. The cubic root of 601281551 is about 844.0327393655.

The spelling of 601281551 in words is "six hundred one million, two hundred eighty-one thousand, five hundred fifty-one".