610442421 has 16 divisors (see below), whose sum is σ = 845836800. Its totient is φ = 391181760.

The previous prime is 610442407. The next prime is 610442423. The reversal of 610442421 is 124244016.

It is a happy number.

It is not a de Polignac number, because 610442421 - 2¹⁰ = 610441397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 610442391 and 610442400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610442423) 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, 8170 + ... + 35883.

It is an arithmetic number, because the mean of its divisors is an integer number (52864800).

Almost surely, 2^610442421 is an apocalyptic number.

It is an amenable number.

610442421 is a deficient number, since it is larger than the sum of its proper divisors (235394379).

610442421 is a wasteful number, since it uses less digits than its factorization.

610442421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44236.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 610442421 is about 24707.1329983873. The cubic root of 610442421 is about 848.2975942613.

Adding to 610442421 its reverse (124244016), we get a palindrome (734686437).

The spelling of 610442421 in words is "six hundred ten million, four hundred forty-two thousand, four hundred twenty-one".