61499085 has 16 divisors (see below), whose sum is σ = 99006144. Its totient is φ = 32596992.

The previous prime is 61499059. The next prime is 61499093. The reversal of 61499085 is 58099416.

It is not a de Polignac number, because 61499085 - 2¹² = 61494989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10132 + ... + 15021.

It is an arithmetic number, because the mean of its divisors is an integer number (6187884).

Almost surely, 2^61499085 is an apocalyptic number.

It is an amenable number.

61499085 is a deficient number, since it is larger than the sum of its proper divisors (37507059).

61499085 is a wasteful number, since it uses less digits than its factorization.

61499085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25324.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 61499085 is about 7842.1352321928. The cubic root of 61499085 is about 394.7203810726.

It can be divided in two parts, 614 and 99085, that added together give a palindrome (99699).

The spelling of 61499085 in words is "sixty-one million, four hundred ninety-nine thousand, eighty-five".