61084725 has 96 divisors (see below), whose sum is σ = 117325824. Its totient is φ = 27820800.

The previous prime is 61084697. The next prime is 61084741. The reversal of 61084725 is 52748016.

It is not a de Polignac number, because 61084725 - 2¹⁴ = 61068341 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 1299652 + ... + 1299698.

It is an arithmetic number, because the mean of its divisors is an integer number (1222144).

Almost surely, 2^61084725 is an apocalyptic number.

61084725 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

61084725 is a deficient number, since it is larger than the sum of its proper divisors (56241099).

61084725 is a wasteful number, since it uses less digits than its factorization.

61084725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 61084725 is about 7815.6717561576. The cubic root of 61084725 is about 393.8318852121.

The spelling of 61084725 in words is "sixty-one million, eighty-four thousand, seven hundred twenty-five".