61256393 has 8 divisors (see below), whose sum is σ = 68086656. Its totient is φ = 54636400.

The previous prime is 61256387. The next prime is 61256431. The reversal of 61256393 is 39365216.

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 61256393 - 2⁶ = 61256329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61256303) 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, 51953 + ... + 53118.

It is an arithmetic number, because the mean of its divisors is an integer number (8510832).

Almost surely, 2^61256393 is an apocalyptic number.

It is an amenable number.

61256393 is a deficient number, since it is larger than the sum of its proper divisors (6830263).

61256393 is a wasteful number, since it uses less digits than its factorization.

61256393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105135.

The product of its digits is 29160, while the sum is 35.

The square root of 61256393 is about 7826.6463443802. The cubic root of 61256393 is about 394.2004721595.

The spelling of 61256393 in words is "sixty-one million, two hundred fifty-six thousand, three hundred ninety-three".