601421493 has 8 divisors (see below), whose sum is σ = 802061728. Its totient is φ = 400864464.

The previous prime is 601421479. The next prime is 601421519. The reversal of 601421493 is 394124106.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 601421493 - 2⁴ = 601421477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 601421493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601421473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330 + ... + 34707.

It is an arithmetic number, because the mean of its divisors is an integer number (100257716).

Almost surely, 2^601421493 is an apocalyptic number.

It is an amenable number.

601421493 is a deficient number, since it is larger than the sum of its proper divisors (200640235).

601421493 is a wasteful number, since it uses less digits than its factorization.

601421493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41603.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 601421493 is about 24523.8963666054. The cubic root of 601421493 is about 844.0982142207.

Adding to 601421493 its reverse (394124106), we get a palindrome (995545599).

The spelling of 601421493 in words is "six hundred one million, four hundred twenty-one thousand, four hundred ninety-three".