245524401431 has 4 divisors (see below), whose sum is σ = 248982491664. Its totient is φ = 242066311200.

The previous prime is 245524401413. The next prime is 245524401457. The reversal of 245524401431 is 134104425542.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245524401431 is a prime.

It is a super-2 number, since 2×245524401431² (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 = 245524401391 and 245524401400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245524401491) 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, 1729045010 + ... + 1729045151.

It is an arithmetic number, because the mean of its divisors is an integer number (62245622916).

Almost surely, 2^245524401431 is an apocalyptic number.

245524401431 is a deficient number, since it is larger than the sum of its proper divisors (3458090233).

245524401431 is an equidigital number, since it uses as much as digits as its factorization.

245524401431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458090232.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 245524401431 its reverse (134104425542), we get a palindrome (379628826973).

The spelling of 245524401431 in words is "two hundred forty-five billion, five hundred twenty-four million, four hundred one thousand, four hundred thirty-one".