61452325652 has 6 divisors (see below), whose sum is σ = 107541569898. Its totient is φ = 30726162824.

The previous prime is 61452325633. The next prime is 61452325661. The reversal of 61452325652 is 25652325416.

It can be written as a sum of positive squares in only one way, i.e., 55622392336 + 5829933316 = 235844^2 + 76354^2 .

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7681540703 + ... + 7681540710.

It is an arithmetic number, because the mean of its divisors is an integer number (17923594983).

Almost surely, 2^61452325652 is an apocalyptic number.

It is an amenable number.

61452325652 is a deficient number, since it is larger than the sum of its proper divisors (46089244246).

61452325652 is a wasteful number, since it uses less digits than its factorization.

61452325652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15363081417 (or 15363081415 counting only the distinct ones).

The product of its digits is 432000, while the sum is 41.

The spelling of 61452325652 in words is "sixty-one billion, four hundred fifty-two million, three hundred twenty-five thousand, six hundred fifty-two".