245683901 has 4 divisors (see below), whose sum is σ = 248644032. Its totient is φ = 242723772.

The previous prime is 245683891. The next prime is 245683937. The reversal of 245683901 is 109386542.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245683901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245683951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1479941 + ... + 1480106.

It is an arithmetic number, because the mean of its divisors is an integer number (62161008).

Almost surely, 2^245683901 is an apocalyptic number.

It is an amenable number.

245683901 is a deficient number, since it is larger than the sum of its proper divisors (2960131).

245683901 is an equidigital number, since it uses as much as digits as its factorization.

245683901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960130.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 245683901 is about 15674.3070341243. The cubic root of 245683901 is about 626.3141636747.

The spelling of 245683901 in words is "two hundred forty-five million, six hundred eighty-three thousand, nine hundred one".