61248004 has 6 divisors (see below), whose sum is σ = 107184014. Its totient is φ = 30624000.

The previous prime is 61247947. The next prime is 61248017. The reversal of 61248004 is 40084216.

It can be written as a sum of positive squares in only one way, i.e., 32604100 + 28643904 = 5710^2 + 5352^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61248004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7655997 + ... + 7656004.

Almost surely, 2^61248004 is an apocalyptic number.

It is an amenable number.

61248004 is a deficient number, since it is larger than the sum of its proper divisors (45936010).

61248004 is a wasteful number, since it uses less digits than its factorization.

61248004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15312005 (or 15312003 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 61248004 is about 7826.1104004480. The cubic root of 61248004 is about 394.1824762216.

The spelling of 61248004 in words is "sixty-one million, two hundred forty-eight thousand, four".