61452428 has 6 divisors (see below), whose sum is σ = 107541756. Its totient is φ = 30726212.

The previous prime is 61452427. The next prime is 61452431. The reversal of 61452428 is 82425416.

It is a junction number, because it is equal to n+sod(n) for n = 61452394 and 61452403.

It is not an unprimeable number, because it can be changed into a prime (61452427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7681550 + ... + 7681557.

It is an arithmetic number, because the mean of its divisors is an integer number (17923626).

Almost surely, 2^61452428 is an apocalyptic number.

It is an amenable number.

61452428 is a deficient number, since it is larger than the sum of its proper divisors (46089328).

61452428 is a wasteful number, since it uses less digits than its factorization.

61452428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15363111 (or 15363109 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 61452428 is about 7839.1599039693. The cubic root of 61452428 is about 394.6205360745.

The spelling of 61452428 in words is "sixty-one million, four hundred fifty-two thousand, four hundred twenty-eight".