61411025 has 12 divisors (see below), whose sum is σ = 82007772. Its totient is φ = 45349440.

The previous prime is 61410997. The next prime is 61411027. The reversal of 61411025 is 52011416.

61411025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 9628609 + 51782416 = 3103^2 + 7196^2 .

It is not a de Polignac number, because 61411025 - 2¹⁶ = 61345489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61410988 and 61411006.

It is not an unprimeable number, because it can be changed into a prime (61411027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94154 + ... + 94803.

It is an arithmetic number, because the mean of its divisors is an integer number (6833981).

Almost surely, 2^61411025 is an apocalyptic number.

61411025 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

61411025 is a deficient number, since it is larger than the sum of its proper divisors (20596747).

61411025 is a wasteful number, since it uses less digits than its factorization.

61411025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188980 (or 188975 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 61411025 is about 7836.5186785970. The cubic root of 61411025 is about 394.5318921958.

The spelling of 61411025 in words is "sixty-one million, four hundred eleven thousand, twenty-five".