61394403 has 12 divisors (see below), whose sum is σ = 95224200. Its totient is φ = 35082432.

The previous prime is 61394401. The next prime is 61394419. The reversal of 61394403 is 30449316.

It is not a de Polignac number, because 61394403 - 2¹ = 61394401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61394401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208678 + ... + 208971.

It is an arithmetic number, because the mean of its divisors is an integer number (7935350).

Almost surely, 2^61394403 is an apocalyptic number.

61394403 is a deficient number, since it is larger than the sum of its proper divisors (33829797).

61394403 is a wasteful number, since it uses less digits than its factorization.

61394403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417666 (or 417659 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 61394403 is about 7835.4580593607. The cubic root of 61394403 is about 394.4962932629.

The spelling of 61394403 in words is "sixty-one million, three hundred ninety-four thousand, four hundred three".