61103699 has 2 divisors, whose sum is σ = 61103700. Its totient is φ = 61103698.

The previous prime is 61103671. The next prime is 61103711. The reversal of 61103699 is 99630116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61103699 - 2²⁰ = 60055123 is a prime.

It is not a weakly prime, because it can be changed into another prime (61103629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30551849 + 30551850.

It is an arithmetic number, because the mean of its divisors is an integer number (30551850).

Almost surely, 2^61103699 is an apocalyptic number.

61103699 is a deficient number, since it is larger than the sum of its proper divisors (1).

61103699 is an equidigital number, since it uses as much as digits as its factorization.

61103699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 61103699 is about 7816.8855051101. The cubic root of 61103699 is about 393.8726580492.

The spelling of 61103699 in words is "sixty-one million, one hundred three thousand, six hundred ninety-nine".