245493241 has 4 divisors (see below), whose sum is σ = 280563712. Its totient is φ = 210422772.

The previous prime is 245493217. The next prime is 245493251. The reversal of 245493241 is 142394542.

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, and also an emirpimes, since its reverse is a distinct semiprime: 142394542 = 2 ⋅71197271.

It is not a de Polignac number, because 245493241 - 2¹⁹ = 244968953 is a prime.

It is a super-3 number, since 3×245493241³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245493197 and 245493206.

It is not an unprimeable number, because it can be changed into a prime (245493251) 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, 17535225 + ... + 17535238.

It is an arithmetic number, because the mean of its divisors is an integer number (70140928).

Almost surely, 2^245493241 is an apocalyptic number.

It is an amenable number.

245493241 is a deficient number, since it is larger than the sum of its proper divisors (35070471).

245493241 is an equidigital number, since it uses as much as digits as its factorization.

245493241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35070470.

The product of its digits is 34560, while the sum is 34.

The square root of 245493241 is about 15668.2239261507. The cubic root of 245493241 is about 626.1521072532.

The spelling of 245493241 in words is "two hundred forty-five million, four hundred ninety-three thousand, two hundred forty-one".