61776125 has 36 divisors (see below), whose sum is σ = 83626452. Its totient is φ = 45554400.

The previous prime is 61776067. The next prime is 61776131. The reversal of 61776125 is 52167716.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 1387684 + 60388441 = 1178^2 + 7771^2 .

It is not a de Polignac number, because 61776125 - 2¹⁰ = 61775101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1669607 + ... + 1669643.

It is an arithmetic number, because the mean of its divisors is an integer number (2322957).

Almost surely, 2^61776125 is an apocalyptic number.

It is an amenable number.

61776125 is a deficient number, since it is larger than the sum of its proper divisors (21850327).

61776125 is an equidigital number, since it uses as much as digits as its factorization.

61776125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 61 counting only the distinct ones).

The product of its digits is 17640, while the sum is 35.

The square root of 61776125 is about 7859.7789409118. The cubic root of 61776125 is about 395.3122031014.

The spelling of 61776125 in words is "sixty-one million, seven hundred seventy-six thousand, one hundred twenty-five".