561352400 has 60 divisors (see below), whose sum is σ = 1541320992. Its totient is φ = 192462720.

The previous prime is 561352387. The next prime is 561352403. The reversal of 561352400 is 4253165.

It is a self number, because there is not a number n which added to its sum of digits gives 561352400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561352403) 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, 97442 + ... + 103041.

Almost surely, 2^561352400 is an apocalyptic number.

561352400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

561352400 is an abundant number, since it is smaller than the sum of its proper divisors (979968592).

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

561352400 is a wasteful number, since it uses less digits than its factorization.

561352400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200508 (or 200497 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 561352400 is about 23692.8765665970. The cubic root of 561352400 is about 824.9200534713.

The spelling of 561352400 in words is "five hundred sixty-one million, three hundred fifty-two thousand, four hundred".