245043332422531 has 4 divisors (see below), whose sum is σ = 245043594209232. Its totient is φ = 245043070635832.

The previous prime is 245043332422463. The next prime is 245043332422561. The reversal of 245043332422531 is 135224233340542.

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 245043332422531 - 2¹⁹ = 245043331898243 is a prime.

It is a super-2 number, since 2×245043332422531² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245043332422561) 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, 129484231 + ... + 131363056.

It is an arithmetic number, because the mean of its divisors is an integer number (61260898552308).

Almost surely, 2^{245043332422531} is an apocalyptic number.

245043332422531 is a deficient number, since it is larger than the sum of its proper divisors (261786701).

245043332422531 is an equidigital number, since it uses as much as digits as its factorization.

245043332422531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261786700.

The product of its (nonzero) digits is 2073600, while the sum is 43.

The spelling of 245043332422531 in words is "two hundred forty-five trillion, forty-three billion, three hundred thirty-two million, four hundred twenty-two thousand, five hundred thirty-one".