61349623 has 2 divisors, whose sum is σ = 61349624. Its totient is φ = 61349622.

The previous prime is 61349597. The next prime is 61349641. The reversal of 61349623 is 32694316.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61349623 - 2²⁵ = 27795191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61349693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30674811 + 30674812.

It is an arithmetic number, because the mean of its divisors is an integer number (30674812).

Almost surely, 2^61349623 is an apocalyptic number.

61349623 is a deficient number, since it is larger than the sum of its proper divisors (1).

61349623 is an equidigital number, since it uses as much as digits as its factorization.

61349623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 34.

The square root of 61349623 is about 7832.6000153206. The cubic root of 61349623 is about 394.4003570436.

The spelling of 61349623 in words is "sixty-one million, three hundred forty-nine thousand, six hundred twenty-three".