610521201 has 48 divisors (see below), whose sum is σ = 939386448. Its totient is φ = 381542400.

The previous prime is 610521199. The next prime is 610521209. The reversal of 610521201 is 102125016.

610521201 is a `hidden beast` number, since 610 + 52 + 1 + 2 + 0 + 1 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 17842176 + 592679025 = 4224^2 + 24345^2 .

It is not a de Polignac number, because 610521201 - 2¹ = 610521199 is a prime.

It is a super-2 number, since 2×610521201² = 745472273740964802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (610521209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1324111 + ... + 1324571.

It is an arithmetic number, because the mean of its divisors is an integer number (19570551).

Almost surely, 2^610521201 is an apocalyptic number.

It is an amenable number.

610521201 is a deficient number, since it is larger than the sum of its proper divisors (328865247).

610521201 is a wasteful number, since it uses less digits than its factorization.

610521201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 610521201 is about 24708.7272233921. The cubic root of 610521201 is about 848.3340847407.

Adding to 610521201 its reverse (102125016), we get a palindrome (712646217).

The spelling of 610521201 in words is "six hundred ten million, five hundred twenty-one thousand, two hundred one".