61298023 has 2 divisors, whose sum is σ = 61298024. Its totient is φ = 61298022.

The previous prime is 61297987. The next prime is 61298071. The reversal of 61298023 is 32089216.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61298023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61298623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30649011 + 30649012.

It is an arithmetic number, because the mean of its divisors is an integer number (30649012).

Almost surely, 2^61298023 is an apocalyptic number.

61298023 is a deficient number, since it is larger than the sum of its proper divisors (1).

61298023 is an equidigital number, since it uses as much as digits as its factorization.

61298023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 61298023 is about 7829.3053970324. The cubic root of 61298023 is about 394.2897518178.

The spelling of 61298023 in words is "sixty-one million, two hundred ninety-eight thousand, twenty-three".