245096681 has 4 divisors (see below), whose sum is σ = 250311552. Its totient is φ = 239881812.

The previous prime is 245096659. The next prime is 245096693. The reversal of 245096681 is 186690542.

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 not a de Polignac number, because 245096681 - 2⁶ = 245096617 is a prime.

It is a super-2 number, since 2×245096681² = 120144766074431522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245096641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2607365 + ... + 2607458.

It is an arithmetic number, because the mean of its divisors is an integer number (62577888).

Almost surely, 2^245096681 is an apocalyptic number.

It is an amenable number.

245096681 is a deficient number, since it is larger than the sum of its proper divisors (5214871).

245096681 is an equidigital number, since it uses as much as digits as its factorization.

245096681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214870.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 245096681 is about 15655.5638991382. The cubic root of 245096681 is about 625.8147718268.

The spelling of 245096681 in words is "two hundred forty-five million, ninety-six thousand, six hundred eighty-one".