61498528 has 96 divisors (see below), whose sum is σ = 152409600. Its totient is φ = 24272640.

The previous prime is 61498523. The next prime is 61498583. The reversal of 61498528 is 82589416.

It is a happy number.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61498523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142473 + ... + 142903.

It is an arithmetic number, because the mean of its divisors is an integer number (1587600).

Almost surely, 2^61498528 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 61498528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76204800).

61498528 is an abundant number, since it is smaller than the sum of its proper divisors (90911072).

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

61498528 is a wasteful number, since it uses less digits than its factorization.

61498528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 453 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 61498528 is about 7842.0997188253. The cubic root of 61498528 is about 394.7191894022.

It can be divided in two parts, 61498 and 528, that added together give a palindrome (62026).

The spelling of 61498528 in words is "sixty-one million, four hundred ninety-eight thousand, five hundred twenty-eight".