61198003 has 2 divisors, whose sum is σ = 61198004. Its totient is φ = 61198002.

The previous prime is 61197959. The next prime is 61198043. The reversal of 61198003 is 30089116.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61198003 - 2¹³ = 61189811 is a prime.

It is not a weakly prime, because it can be changed into another prime (61198043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30599001 + 30599002.

It is an arithmetic number, because the mean of its divisors is an integer number (30599002).

Almost surely, 2^61198003 is an apocalyptic number.

61198003 is a deficient number, since it is larger than the sum of its proper divisors (1).

61198003 is an equidigital number, since it uses as much as digits as its factorization.

61198003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 61198003 is about 7822.9152494451. The cubic root of 61198003 is about 394.0751808402.

The spelling of 61198003 in words is "sixty-one million, one hundred ninety-eight thousand, three".