61426512 has 240 divisors, whose sum is σ = 212680832. Its totient is φ = 16796160.

The previous prime is 61426501. The next prime is 61426567. The reversal of 61426512 is 21562416.

61426512 is a `hidden beast` number, since 6 + 1 + 4 + 2 + 651 + 2 = 666.

It is a super-2 number, since 2×61426512² = 7546432752972288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1006962 + ... + 1007022.

Almost surely, 2^61426512 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 61426512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106340416).

61426512 is an abundant number, since it is smaller than the sum of its proper divisors (151254320).

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

61426512 is a wasteful number, since it uses less digits than its factorization.

61426512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 110 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 61426512 is about 7837.5067464086. The cubic root of 61426512 is about 394.5650545466.

Adding to 61426512 its reverse (21562416), we get a palindrome (82988928).

The spelling of 61426512 in words is "sixty-one million, four hundred twenty-six thousand, five hundred twelve".