61252542 has 96 divisors (see below), whose sum is σ = 157248000. Its totient is φ = 17050176.

The previous prime is 61252537. The next prime is 61252573. The reversal of 61252542 is 24525216.

61252542 is a `hidden beast` number, since 612 + 5 + 2 + 5 + 42 = 666.

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, 101959 + ... + 102557.

It is an arithmetic number, because the mean of its divisors is an integer number (1638000).

Almost surely, 2^61252542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61252542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78624000).

61252542 is an abundant number, since it is smaller than the sum of its proper divisors (95995458).

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

61252542 is a wasteful number, since it uses less digits than its factorization.

61252542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 659 counting only the distinct ones).

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

The square root of 61252542 is about 7826.4003219871. The cubic root of 61252542 is about 394.1922112648.

Adding to 61252542 its reverse (24525216), we get a palindrome (85777758).

The spelling of 61252542 in words is "sixty-one million, two hundred fifty-two thousand, five hundred forty-two".