61648235 has 16 divisors (see below), whose sum is σ = 81844992. Its totient is φ = 44200800.

The previous prime is 61648231. The next prime is 61648261. The reversal of 61648235 is 53284616.

It is not a de Polignac number, because 61648235 - 2² = 61648231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61648195 and 61648204.

It is not an unprimeable number, because it can be changed into a prime (61648231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3989 + ... + 11798.

It is an arithmetic number, because the mean of its divisors is an integer number (5115312).

Almost surely, 2^61648235 is an apocalyptic number.

61648235 is a deficient number, since it is larger than the sum of its proper divisors (20196757).

61648235 is a wasteful number, since it uses less digits than its factorization.

61648235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15874.

The product of its digits is 34560, while the sum is 35.

The square root of 61648235 is about 7851.6390008711. The cubic root of 61648235 is about 395.0392205888.

The spelling of 61648235 in words is "sixty-one million, six hundred forty-eight thousand, two hundred thirty-five".