610520540 has 48 divisors (see below), whose sum is σ = 1542374400. Its totient is φ = 198303552.

The previous prime is 610520539. The next prime is 610520543. The reversal of 610520540 is 45025016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610520543) 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, 112100 + ... + 117419.

It is an arithmetic number, because the mean of its divisors is an integer number (32132800).

Almost surely, 2^610520540 is an apocalyptic number.

It is an amenable number.

610520540 is an abundant number, since it is smaller than the sum of its proper divisors (931853860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

610520540 is a wasteful number, since it uses less digits than its factorization.

610520540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229554 (or 229552 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 610520540 is about 24708.7138475478. The cubic root of 610520540 is about 848.3337785821. Note that the first 3 decimals are identical.

Adding to 610520540 its reverse (45025016), we get a palindrome (655545556).

The spelling of 610520540 in words is "six hundred ten million, five hundred twenty thousand, five hundred forty".