61497132 has 12 divisors (see below), whose sum is σ = 143493336. Its totient is φ = 20499040.

The previous prime is 61497097. The next prime is 61497133. The reversal of 61497132 is 23179416.

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

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 61497093 and 61497102.

It is not an unprimeable number, because it can be changed into a prime (61497133) 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, 2562369 + ... + 2562392.

It is an arithmetic number, because the mean of its divisors is an integer number (11957778).

Almost surely, 2^61497132 is an apocalyptic number.

It is an amenable number.

61497132 is an abundant number, since it is smaller than the sum of its proper divisors (81996204).

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

61497132 is a wasteful number, since it uses less digits than its factorization.

61497132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5124768 (or 5124766 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 61497132 is about 7842.0107115459. The cubic root of 61497132 is about 394.7162027066.

The spelling of 61497132 in words is "sixty-one million, four hundred ninety-seven thousand, one hundred thirty-two".