61453172 has 12 divisors (see below), whose sum is σ = 117319776. Its totient is φ = 27933240.

The previous prime is 61453153. The next prime is 61453193. The reversal of 61453172 is 27135416.

It is a super-3 number, since 3×61453172³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698288 + ... + 698375.

It is an arithmetic number, because the mean of its divisors is an integer number (9776648).

Almost surely, 2^61453172 is an apocalyptic number.

It is an amenable number.

61453172 is a deficient number, since it is larger than the sum of its proper divisors (55866604).

61453172 is a wasteful number, since it uses less digits than its factorization.

61453172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396678 (or 1396676 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 61453172 is about 7839.2073578902. The cubic root of 61453172 is about 394.6221286153.

Adding to 61453172 its reverse (27135416), we get a palindrome (88588588).

The spelling of 61453172 in words is "sixty-one million, four hundred fifty-three thousand, one hundred seventy-two".