61245425 has 12 divisors (see below), whose sum is σ = 76109340. Its totient is φ = 48889920.

The previous prime is 61245421. The next prime is 61245463. The reversal of 61245425 is 52454216.

61245425 = T₂₂₀₁ + T₂₂₀₂ + ... + T₂₂₂₅.

It can be written as a sum of positive squares in 6 ways, for example, as 1507984 + 59737441 = 1228^2 + 7729^2 .

It is not a de Polignac number, because 61245425 - 2² = 61245421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61245421) 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, 10319 + ... + 15131.

It is an arithmetic number, because the mean of its divisors is an integer number (6342445).

Almost surely, 2^61245425 is an apocalyptic number.

It is an amenable number.

61245425 is a deficient number, since it is larger than the sum of its proper divisors (14863915).

61245425 is a wasteful number, since it uses less digits than its factorization.

61245425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5332 (or 5327 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 61245425 is about 7825.9456297626. The cubic root of 61245425 is about 394.1769434651.

The spelling of 61245425 in words is "sixty-one million, two hundred forty-five thousand, four hundred twenty-five".