61453432 has 16 divisors (see below), whose sum is σ = 116521200. Its totient is φ = 30381120.

The previous prime is 61453423. The next prime is 61453433. The reversal of 61453432 is 23435416.

It is a self number, because there is not a number n which added to its sum of digits gives 61453432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61453433) 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, 42444 + ... + 43867.

It is an arithmetic number, because the mean of its divisors is an integer number (7282575).

Almost surely, 2^61453432 is an apocalyptic number.

It is an amenable number.

61453432 is a deficient number, since it is larger than the sum of its proper divisors (55067768).

61453432 is a wasteful number, since it uses less digits than its factorization.

61453432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86406 (or 86402 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 61453432 is about 7839.2239411819. The cubic root of 61453432 is about 394.6226851454.

Adding to 61453432 its reverse (23435416), we get a palindrome (84888848).

The spelling of 61453432 in words is "sixty-one million, four hundred fifty-three thousand, four hundred thirty-two".