61050100 has 18 divisors (see below), whose sum is σ = 132478934. Its totient is φ = 24420000.

The previous prime is 61050091. The next prime is 61050149. The reversal of 61050100 is 105016.

It can be written as a sum of positive squares in 3 ways, for example, as 272484 + 60777616 = 522^2 + 7796^2 .

It is a super-2 number, since 2×61050100² = 7454229420020000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305151 + ... + 305350.

Almost surely, 2^61050100 is an apocalyptic number.

It is an amenable number.

61050100 is an abundant number, since it is smaller than the sum of its proper divisors (71428834).

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

61050100 is a wasteful number, since it uses less digits than its factorization.

61050100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610515 (or 610508 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 61050100 is about 7813.4563414663. The cubic root of 61050100 is about 393.7574584965.

Adding to 61050100 its reverse (105016), we get a palindrome (61155116).

The spelling of 61050100 in words is "sixty-one million, fifty thousand, one hundred".