245421167 has 4 divisors (see below), whose sum is σ = 251128680. Its totient is φ = 239713656.

The previous prime is 245421131. The next prime is 245421181. The reversal of 245421167 is 761124542.

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

It is a cyclic number.

It is not a de Polignac number, because 245421167 - 2⁶ = 245421103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245421107) 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, 2853692 + ... + 2853777.

It is an arithmetic number, because the mean of its divisors is an integer number (62782170).

Almost surely, 2^245421167 is an apocalyptic number.

245421167 is a deficient number, since it is larger than the sum of its proper divisors (5707513).

245421167 is an equidigital number, since it uses as much as digits as its factorization.

245421167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5707512.

The product of its digits is 13440, while the sum is 32.

The square root of 245421167 is about 15665.9237518890. The cubic root of 245421167 is about 626.0908242297.

The spelling of 245421167 in words is "two hundred forty-five million, four hundred twenty-one thousand, one hundred sixty-seven".