61406903 has 2 divisors, whose sum is σ = 61406904. Its totient is φ = 61406902.

The previous prime is 61406897. The next prime is 61406909. The reversal of 61406903 is 30960416.

It is a balanced prime because it is at equal distance from previous prime (61406897) and next prime (61406909).

It is a cyclic number.

It is not a de Polignac number, because 61406903 - 2⁴ = 61406887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61406909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30703451 + 30703452.

It is an arithmetic number, because the mean of its divisors is an integer number (30703452).

Almost surely, 2^61406903 is an apocalyptic number.

61406903 is a deficient number, since it is larger than the sum of its proper divisors (1).

61406903 is an equidigital number, since it uses as much as digits as its factorization.

61406903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 61406903 is about 7836.2556747467. The cubic root of 61406903 is about 394.5230648077.

The spelling of 61406903 in words is "sixty-one million, four hundred six thousand, nine hundred three".