61132503 has 8 divisors (see below), whose sum is σ = 82029808. Its totient is φ = 40495104.

The previous prime is 61132483. The next prime is 61132507. The reversal of 61132503 is 30523116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61132503 - 2⁵ = 61132471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61132503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61132507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64426 + ... + 65367.

It is an arithmetic number, because the mean of its divisors is an integer number (10253726).

Almost surely, 2^61132503 is an apocalyptic number.

61132503 is a deficient number, since it is larger than the sum of its proper divisors (20897305).

61132503 is a wasteful number, since it uses less digits than its factorization.

61132503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129953.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 61132503 is about 7818.7277098004. The cubic root of 61132503 is about 393.9345382410.

Adding to 61132503 its reverse (30523116), we get a palindrome (91655619).

The spelling of 61132503 in words is "sixty-one million, one hundred thirty-two thousand, five hundred three".