245127631 has 8 divisors (see below), whose sum is σ = 280382240. Its totient is φ = 209932128.

The previous prime is 245127613. The next prime is 245127637. The reversal of 245127631 is 136721542.

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

It is not a de Polignac number, because 245127631 - 2¹⁷ = 244996559 is a prime.

It is a super-2 number, since 2×245127631² = 120175110959344322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245127593 and 245127602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245127637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5496 + ... + 22813.

It is an arithmetic number, because the mean of its divisors is an integer number (35047780).

Almost surely, 2^245127631 is an apocalyptic number.

245127631 is a deficient number, since it is larger than the sum of its proper divisors (35254609).

245127631 is a wasteful number, since it uses less digits than its factorization.

245127631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29553.

The product of its digits is 10080, while the sum is 31.

The square root of 245127631 is about 15656.5523344062. The cubic root of 245127631 is about 625.8411126594.

The spelling of 245127631 in words is "two hundred forty-five million, one hundred twenty-seven thousand, six hundred thirty-one".