61300351252 has 48 divisors (see below), whose sum is σ = 125727521920. Its totient is φ = 25604232192.

The previous prime is 61300351201. The next prime is 61300351283. The reversal of 61300351252 is 25215300316.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 61300351252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494524 + ... + 605932.

Almost surely, 2^61300351252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61300351252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62863760960).

61300351252 is an abundant number, since it is smaller than the sum of its proper divisors (64427170668).

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

61300351252 is a wasteful number, since it uses less digits than its factorization.

61300351252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111920 (or 111918 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 61300351252 its reverse (25215300316), we get a palindrome (86515651568).

The spelling of 61300351252 in words is "sixty-one billion, three hundred million, three hundred fifty-one thousand, two hundred fifty-two".