245041223025531 has 8 divisors (see below), whose sum is σ = 334319808159040. Its totient is φ = 159561726621192.

The previous prime is 245041223025527. The next prime is 245041223025649. The reversal of 245041223025531 is 135520322140542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245041223025531 - 2² = 245041223025527 is a prime.

It is a super-2 number, since 2×245041223025531² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245041223025531.

It is not an unprimeable number, because it can be changed into a prime (245041223025031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949772182141 + ... + 949772182398.

It is an arithmetic number, because the mean of its divisors is an integer number (41789976019880).

Almost surely, 2^{245041223025531} is an apocalyptic number.

245041223025531 is a deficient number, since it is larger than the sum of its proper divisors (89278585133509).

245041223025531 is a wasteful number, since it uses less digits than its factorization.

245041223025531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899544364585.

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 245041223025531 in words is "two hundred forty-five trillion, forty-one billion, two hundred twenty-three million, twenty-five thousand, five hundred thirty-one".