61500498 has 8 divisors (see below), whose sum is σ = 123001008. Its totient is φ = 20500164.

The previous prime is 61500463. The next prime is 61500521. The reversal of 61500498 is 89400516.

61500498 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

61500498 is an admirable number.

It is a super-2 number, since 2×61500498² = 7564622508496008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5125036 + ... + 5125047.

It is an arithmetic number, because the mean of its divisors is an integer number (15375126).

Almost surely, 2^61500498 is an apocalyptic number.

61500498 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61500498 is a wasteful number, since it uses less digits than its factorization.

61500498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10250088.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 61500498 is about 7842.2253219351. The cubic root of 61500498 is about 394.7234040749.

The spelling of 61500498 in words is "sixty-one million, five hundred thousand, four hundred ninety-eight".