245252210431 has 16 divisors (see below), whose sum is σ = 248844524544. Its totient is φ = 241685688384.

The previous prime is 245252210419. The next prime is 245252210479. The reversal of 245252210431 is 134012252542.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 245252210431 - 2⁹ = 245252209919 is a prime.

It is a super-2 number, since 2×245252210431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245252210393 and 245252210402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245252210531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39534576 + ... + 39540778.

It is an arithmetic number, because the mean of its divisors is an integer number (15552782784).

Almost surely, 2^245252210431 is an apocalyptic number.

245252210431 is a deficient number, since it is larger than the sum of its proper divisors (3592314113).

245252210431 is a wasteful number, since it uses less digits than its factorization.

245252210431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8190.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 245252210431 its reverse (134012252542), we get a palindrome (379264462973).

The spelling of 245252210431 in words is "two hundred forty-five billion, two hundred fifty-two million, two hundred ten thousand, four hundred thirty-one".