61023300 has 72 divisors (see below), whose sum is σ = 190154496. Its totient is φ = 15020160.

The previous prime is 61023289. The next prime is 61023317. The reversal of 61023300 is 332016.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 61023300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3924 + ... + 11723.

Almost surely, 2^61023300 is an apocalyptic number.

61023300 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61023300 is an abundant number, since it is smaller than the sum of its proper divisors (129131196).

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

61023300 is a wasteful number, since it uses less digits than its factorization.

61023300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15677 (or 15670 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 61023300 is about 7811.7411631467. The cubic root of 61023300 is about 393.6998323587.

Adding to 61023300 its reverse (332016), we get a palindrome (61355316).

The spelling of 61023300 in words is "sixty-one million, twenty-three thousand, three hundred".