61725111 has 8 divisors (see below), whose sum is σ = 94057344. Its totient is φ = 35271480.

The previous prime is 61725109. The next prime is 61725127. The reversal of 61725111 is 11152716.

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

It is not a de Polignac number, because 61725111 - 2¹ = 61725109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61725101) 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, 1469625 + ... + 1469666.

It is an arithmetic number, because the mean of its divisors is an integer number (11757168).

Almost surely, 2^61725111 is an apocalyptic number.

61725111 is a deficient number, since it is larger than the sum of its proper divisors (32332233).

61725111 is a wasteful number, since it uses less digits than its factorization.

61725111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939301.

The product of its digits is 420, while the sum is 24.

The square root of 61725111 is about 7856.5330139954. The cubic root of 61725111 is about 395.2033584070.

Adding to 61725111 its reverse (11152716), we get a palindrome (72877827).

The spelling of 61725111 in words is "sixty-one million, seven hundred twenty-five thousand, one hundred eleven".