61452616 has 8 divisors (see below), whose sum is σ = 115223670. Its totient is φ = 30726304.

The previous prime is 61452607. The next prime is 61452617. The reversal of 61452616 is 61625416.

It can be written as a sum of positive squares in only one way, i.e., 31967716 + 29484900 = 5654^2 + 5430^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (61452617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3840781 + ... + 3840796.

Almost surely, 2^61452616 is an apocalyptic number.

It is an amenable number.

61452616 is a deficient number, since it is larger than the sum of its proper divisors (53771054).

61452616 is a wasteful number, since it uses less digits than its factorization.

61452616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7681583 (or 7681579 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 61452616 is about 7839.1718950410. The cubic root of 61452616 is about 394.6209384920.

The spelling of 61452616 in words is "sixty-one million, four hundred fifty-two thousand, six hundred sixteen".