601862491 has 6 divisors (see below), whose sum is σ = 623332892. Its totient is φ = 581107800.

The previous prime is 601862473. The next prime is 601862501. The reversal of 601862491 is 194268106.

It is a happy number.

It is not a de Polignac number, because 601862491 - 2¹³ = 601854299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 601862491.

It is not an unprimeable number, because it can be changed into a prime (601862431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 356985 + ... + 358666.

Almost surely, 2^601862491 is an apocalyptic number.

601862491 is a deficient number, since it is larger than the sum of its proper divisors (21470401).

601862491 is an equidigital number, since it uses as much as digits as its factorization.

601862491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715709 (or 715680 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 601862491 is about 24532.8859085106. The cubic root of 601862491 is about 844.3044781479.

It can be divided in two parts, 6018624 and 91, that added together give a triangular number (6018715 = T₃₄₆₉).

The spelling of 601862491 in words is "six hundred one million, eight hundred sixty-two thousand, four hundred ninety-one".