61089803 has 2 divisors, whose sum is σ = 61089804. Its totient is φ = 61089802.

The previous prime is 61089797. The next prime is 61089829. The reversal of 61089803 is 30898016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61089803 - 2¹² = 61085707 is a prime.

It is not a weakly prime, because it can be changed into another prime (61089893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30544901 + 30544902.

It is an arithmetic number, because the mean of its divisors is an integer number (30544902).

Almost surely, 2^61089803 is an apocalyptic number.

61089803 is a deficient number, since it is larger than the sum of its proper divisors (1).

61089803 is an equidigital number, since it uses as much as digits as its factorization.

61089803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 61089803 is about 7815.9966095182. The cubic root of 61089803 is about 393.8427980489.

The spelling of 61089803 in words is "sixty-one million, eighty-nine thousand, eight hundred three".