61425252 has 72 divisors (see below), whose sum is σ = 186804800. Its totient is φ = 16625088.

The previous prime is 61425241. The next prime is 61425253. The reversal of 61425252 is 25252416.

61425252 is a `hidden beast` number, since 614 + 25 + 25 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (61425253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1627 + ... + 11202.

Almost surely, 2^61425252 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 61425252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93402400).

61425252 is an abundant number, since it is smaller than the sum of its proper divisors (125379548).

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

61425252 is a wasteful number, since it uses less digits than its factorization.

61425252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12865 (or 12860 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 61425252 is about 7837.4263632904. The cubic root of 61425252 is about 394.5623567138.

Adding to 61425252 its reverse (25252416), we get a palindrome (86677668).

The spelling of 61425252 in words is "sixty-one million, four hundred twenty-five thousand, two hundred fifty-two".