61245372 has 12 divisors (see below), whose sum is σ = 142905896. Its totient is φ = 20415120.

The previous prime is 61245337. The next prime is 61245377. The reversal of 61245372 is 27354216.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61245377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2551879 + ... + 2551902.

Almost surely, 2^61245372 is an apocalyptic number.

It is an amenable number.

61245372 is an abundant number, since it is smaller than the sum of its proper divisors (81660524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61245372 is a wasteful number, since it uses less digits than its factorization.

61245372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103788 (or 5103786 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 61245372 is about 7825.9422435896. The cubic root of 61245372 is about 394.1768297620.

Adding to 61245372 its reverse (27354216), we get a palindrome (88599588).

The spelling of 61245372 in words is "sixty-one million, two hundred forty-five thousand, three hundred seventy-two".