61452307025 has 12 divisors (see below), whose sum is σ = 77244710412. Its totient is φ = 48488394240.

The previous prime is 61452307019. The next prime is 61452307027. The reversal of 61452307025 is 52070325416.

It can be written as a sum of positive squares in 6 ways, for example, as 8057575696 + 53394731329 = 89764^2 + 231073^2 .

It is not a de Polignac number, because 61452307025 - 2⁶ = 61452306961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61452307027) 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, 16834424 + ... + 16838073.

It is an arithmetic number, because the mean of its divisors is an integer number (6437059201).

Almost surely, 2^61452307025 is an apocalyptic number.

It is an amenable number.

61452307025 is a deficient number, since it is larger than the sum of its proper divisors (15792403387).

61452307025 is a wasteful number, since it uses less digits than its factorization.

61452307025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33672580 (or 33672575 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 61452307025 in words is "sixty-one billion, four hundred fifty-two million, three hundred seven thousand, twenty-five".