561073300 has 36 divisors (see below), whose sum is σ = 1227143680. Its totient is φ = 222657120.

The previous prime is 561073243. The next prime is 561073301. The reversal of 561073300 is 3370165.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561073301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9390 + ... + 34789.

Almost surely, 2^561073300 is an apocalyptic number.

561073300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

561073300 is an abundant number, since it is smaller than the sum of its proper divisors (666070380).

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

561073300 is a wasteful number, since it uses less digits than its factorization.

561073300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44320 (or 44313 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 561073300 is about 23686.9858783257. The cubic root of 561073300 is about 824.7833162188.

The spelling of 561073300 in words is "five hundred sixty-one million, seventy-three thousand, three hundred".