245104631 has 4 divisors (see below), whose sum is σ = 253011264. Its totient is φ = 237198000.

The previous prime is 245104609. The next prime is 245104633. The reversal of 245104631 is 136401542.

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

It is a cyclic number.

It is not a de Polignac number, because 245104631 - 2¹⁴ = 245088247 is a prime.

It is a super-2 number, since 2×245104631² = 120152560275292322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245104631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245104633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3953270 + ... + 3953331.

It is an arithmetic number, because the mean of its divisors is an integer number (63252816).

Almost surely, 2^245104631 is an apocalyptic number.

245104631 is a deficient number, since it is larger than the sum of its proper divisors (7906633).

245104631 is an equidigital number, since it uses as much as digits as its factorization.

245104631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7906632.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 245104631 is about 15655.8178004217. The cubic root of 245104631 is about 625.8215381004.

The spelling of 245104631 in words is "two hundred forty-five million, one hundred four thousand, six hundred thirty-one".