61243012 has 48 divisors (see below), whose sum is σ = 115718400. Its totient is φ = 28304640.

The previous prime is 61242977. The next prime is 61243057. The reversal of 61243012 is 21034216.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375643 + ... + 375805.

It is an arithmetic number, because the mean of its divisors is an integer number (2410800).

Almost surely, 2^61243012 is an apocalyptic number.

It is an amenable number.

61243012 is a deficient number, since it is larger than the sum of its proper divisors (54475388).

61243012 is a wasteful number, since it uses less digits than its factorization.

61243012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 61243012 is about 7825.7914615712. The cubic root of 61243012 is about 394.1717666895.

Adding to 61243012 its reverse (21034216), we get a palindrome (82277228).

The spelling of 61243012 in words is "sixty-one million, two hundred forty-three thousand, twelve".