245475131 has 8 divisors (see below), whose sum is σ = 275029104. Its totient is φ = 217127520.

The previous prime is 245475119. The next prime is 245475149. The reversal of 245475131 is 131574542.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245475131 is a prime.

It is a super-2 number, since 2×245475131² = 120516079878934322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245475151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301160 + ... + 301973.

It is an arithmetic number, because the mean of its divisors is an integer number (34378638).

Almost surely, 2^245475131 is an apocalyptic number.

245475131 is a deficient number, since it is larger than the sum of its proper divisors (29553973).

245475131 is a wasteful number, since it uses less digits than its factorization.

245475131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603181.

The product of its digits is 16800, while the sum is 32.

The square root of 245475131 is about 15667.6459942137. The cubic root of 245475131 is about 626.1367098252.

The spelling of 245475131 in words is "two hundred forty-five million, four hundred seventy-five thousand, one hundred thirty-one".