245720011 has 8 divisors (see below), whose sum is σ = 254545200. Its totient is φ = 237029760.

The previous prime is 245719979. The next prime is 245720047. The reversal of 245720011 is 110027542.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245720011 - 2⁵ = 245719979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245720311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30021 + ... + 37318.

It is an arithmetic number, because the mean of its divisors is an integer number (31818150).

Almost surely, 2^245720011 is an apocalyptic number.

245720011 is a deficient number, since it is larger than the sum of its proper divisors (8825189).

245720011 is an equidigital number, since it uses as much as digits as its factorization.

245720011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67469.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 245720011 is about 15675.4588768559. The cubic root of 245720011 is about 626.3448468635.

Adding to 245720011 its reverse (110027542), we get a palindrome (355747553).

The spelling of 245720011 in words is "two hundred forty-five million, seven hundred twenty thousand, eleven".