61396258 has 32 divisors (see below), whose sum is σ = 120867840. Its totient is φ = 22660560.

The previous prime is 61396253. The next prime is 61396261. The reversal of 61396258 is 85269316.

It is a self number, because there is not a number n which added to its sum of digits gives 61396258.

It is not an unprimeable number, because it can be changed into a prime (61396253) 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, 7566 + ... + 13417.

It is an arithmetic number, because the mean of its divisors is an integer number (3777120).

Almost surely, 2^61396258 is an apocalyptic number.

61396258 is a deficient number, since it is larger than the sum of its proper divisors (59471582).

61396258 is a wasteful number, since it uses less digits than its factorization.

61396258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21022.

The product of its digits is 77760, while the sum is 40.

The square root of 61396258 is about 7835.5764306144. The cubic root of 61396258 is about 394.5002663898.

The spelling of 61396258 in words is "sixty-one million, three hundred ninety-six thousand, two hundred fifty-eight".