61272523 has 8 divisors (see below), whose sum is σ = 68114816. Its totient is φ = 54734400.

The previous prime is 61272517. The next prime is 61272553. The reversal of 61272523 is 32527216.

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

It is a cyclic number.

It is not a de Polignac number, because 61272523 - 2²¹ = 59175371 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61272491 and 61272500.

It is not an unprimeable number, because it can be changed into a prime (61272553) 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, 75618 + ... + 76423.

It is an arithmetic number, because the mean of its divisors is an integer number (8514352).

Almost surely, 2^61272523 is an apocalyptic number.

61272523 is a deficient number, since it is larger than the sum of its proper divisors (6842293).

61272523 is a wasteful number, since it uses less digits than its factorization.

61272523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152085.

The product of its digits is 5040, while the sum is 28.

The square root of 61272523 is about 7827.6767306781. The cubic root of 61272523 is about 394.2350693407.

Adding to 61272523 its reverse (32527216), we get a palindrome (93799739).

The spelling of 61272523 in words is "sixty-one million, two hundred seventy-two thousand, five hundred twenty-three".