61759225 has 12 divisors (see below), whose sum is σ = 83543760. Its totient is φ = 44915600.

The previous prime is 61759157. The next prime is 61759231. The reversal of 61759225 is 52295716.

It is not a de Polignac number, because 61759225 - 2¹³ = 61751033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112015 + ... + 112564.

It is an arithmetic number, because the mean of its divisors is an integer number (6961980).

Almost surely, 2^61759225 is an apocalyptic number.

It is an amenable number.

61759225 is a deficient number, since it is larger than the sum of its proper divisors (21784535).

61759225 is a wasteful number, since it uses less digits than its factorization.

61759225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224600 (or 224595 counting only the distinct ones).

The product of its digits is 37800, while the sum is 37.

The square root of 61759225 is about 7858.7037735240. The cubic root of 61759225 is about 395.2761514955.

It can be divided in two parts, 6175 and 9225, that added together give a triangular number (15400 = T₁₇₅).

The spelling of 61759225 in words is "sixty-one million, seven hundred fifty-nine thousand, two hundred twenty-five".