It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 61599542.
It is a congruent number.
Almost surely, 261599542 is an apocalyptic number.
61599542 is a gapful number since it is divisible by the number (62) formed by its first and last digit.
61599542 is a wasteful number, since it uses less digits than its factorization.
61599542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 993574.
The square root of 61599542 is about 7848.5375707835. The cubic root of 61599542 is about 394.9351856480.
The spelling of 61599542 in words is "sixty-one million, five hundred ninety-nine thousand, five hundred forty-two".