245112051 has 4 divisors (see below), whose sum is σ = 326816072. Its totient is φ = 163408032.

The previous prime is 245112047. The next prime is 245112053. The reversal of 245112051 is 150211542.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 245112051 - 2² = 245112047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245112053) 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, 40852006 + ... + 40852011.

It is an arithmetic number, because the mean of its divisors is an integer number (81704018).

Almost surely, 2^245112051 is an apocalyptic number.

245112051 is a deficient number, since it is larger than the sum of its proper divisors (81704021).

245112051 is an equidigital number, since it uses as much as digits as its factorization.

245112051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81704020.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 245112051 is about 15656.0547712379. The cubic root of 245112051 is about 625.8278531572.

Adding to 245112051 its reverse (150211542), we get a palindrome (395323593).

It can be divided in two parts, 24511 and 2051, that added together give a palindrome (26562).

The spelling of 245112051 in words is "two hundred forty-five million, one hundred twelve thousand, fifty-one".