61215482 has 4 divisors (see below), whose sum is σ = 91823226. Its totient is φ = 30607740.

The previous prime is 61215437. The next prime is 61215499. The reversal of 61215482 is 28451216.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49716601 + 11498881 = 7051^2 + 3391^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15303869 + ... + 15303872.

Almost surely, 2^61215482 is an apocalyptic number.

61215482 is a deficient number, since it is larger than the sum of its proper divisors (30607744).

61215482 is a wasteful number, since it uses less digits than its factorization.

61215482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30607743.

The product of its digits is 3840, while the sum is 29.

The square root of 61215482 is about 7824.0323363340. The cubic root of 61215482 is about 394.1126950513.

Adding to 61215482 its reverse (28451216), we get a palindrome (89666698).

The spelling of 61215482 in words is "sixty-one million, two hundred fifteen thousand, four hundred eighty-two".