610421 has 16 divisors (see below), whose sum is σ = 752640. Its totient is φ = 483840.

The previous prime is 610417. The next prime is 610429. The reversal of 610421 is 124016.

It is not a de Polignac number, because 610421 - 2² = 610417 is a prime.

It is a super-2 number, since 2×610421² = 745227594482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 610396 and 610405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610429) 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, 6245 + ... + 6341.

It is an arithmetic number, because the mean of its divisors is an integer number (47040).

2⁶¹⁰⁴²¹ is an apocalyptic number.

It is an amenable number.

610421 is a deficient number, since it is larger than the sum of its proper divisors (142219).

610421 is a wasteful number, since it uses less digits than its factorization.

610421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 610421 is about 781.2944387361. The cubic root of 610421 is about 84.8287671624.

Adding to 610421 its reverse (124016), we get a palindrome (734437).

It can be divided in two parts, 6 and 10421, that multiplied together give a palindrome (62526).

The spelling of 610421 in words is "six hundred ten thousand, four hundred twenty-one".