245052651 has 4 divisors (see below), whose sum is σ = 326736872. Its totient is φ = 163368432.

The previous prime is 245052641. The next prime is 245052653. The reversal of 245052651 is 156250542.

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

It is not a de Polignac number, because 245052651 - 2¹⁹ = 244528363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245052653) 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, 40842106 + ... + 40842111.

It is an arithmetic number, because the mean of its divisors is an integer number (81684218).

Almost surely, 2^245052651 is an apocalyptic number.

245052651 is a deficient number, since it is larger than the sum of its proper divisors (81684221).

245052651 is an equidigital number, since it uses as much as digits as its factorization.

245052651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81684220.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 245052651 is about 15654.1576266499. The cubic root of 245052651 is about 625.7772950857. Note that the first 3 decimals are identical.

The spelling of 245052651 in words is "two hundred forty-five million, fifty-two thousand, six hundred fifty-one".