61120525 has 12 divisors (see below), whose sum is σ = 80248212. Its totient is φ = 46019840.

The previous prime is 61120489. The next prime is 61120529. The reversal of 61120525 is 52502116.

It can be written as a sum of positive squares in 6 ways, for example, as 561001 + 60559524 = 749^2 + 7782^2 .

It is not a de Polignac number, because 61120525 - 2¹³ = 61112333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61120496 and 61120505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61120529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71482 + ... + 72331.

It is an arithmetic number, because the mean of its divisors is an integer number (6687351).

Almost surely, 2^61120525 is an apocalyptic number.

It is an amenable number.

61120525 is a deficient number, since it is larger than the sum of its proper divisors (19127687).

61120525 is a wasteful number, since it uses less digits than its factorization.

61120525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143840 (or 143835 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 61120525 is about 7817.9616908757. The cubic root of 61120525 is about 393.9088080327.

The spelling of 61120525 in words is "sixty-one million, one hundred twenty thousand, five hundred twenty-five".