61099403 has 2 divisors, whose sum is σ = 61099404. Its totient is φ = 61099402.

The previous prime is 61099399. The next prime is 61099429. The reversal of 61099403 is 30499016.

61099403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61099403 - 2² = 61099399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61099403.

It is not a weakly prime, because it can be changed into another prime (61099453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30549701 + 30549702.

It is an arithmetic number, because the mean of its divisors is an integer number (30549702).

Almost surely, 2^61099403 is an apocalyptic number.

61099403 is a deficient number, since it is larger than the sum of its proper divisors (1).

61099403 is an equidigital number, since it uses as much as digits as its factorization.

61099403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 61099403 is about 7816.6107105318. The cubic root of 61099403 is about 393.8634272027.

The spelling of 61099403 in words is "sixty-one million, ninety-nine thousand, four hundred three".