245063631 has 8 divisors (see below), whose sum is σ = 326865024. Its totient is φ = 163319000.

The previous prime is 245063591. The next prime is 245063633. The reversal of 245063631 is 136360542.

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-245063631 is a prime.

It is a super-2 number, since 2×245063631² = 120112366477808322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245063633) 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, 2811 + ... + 22316.

It is an arithmetic number, because the mean of its divisors is an integer number (40858128).

Almost surely, 2^245063631 is an apocalyptic number.

245063631 is a deficient number, since it is larger than the sum of its proper divisors (81801393).

245063631 is a wasteful number, since it uses less digits than its factorization.

245063631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28381.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 245063631 is about 15654.5083282740. The cubic root of 245063631 is about 625.7866412841.

The spelling of 245063631 in words is "two hundred forty-five million, sixty-three thousand, six hundred thirty-one".