204652631 has 2 divisors, whose sum is σ = 204652632. Its totient is φ = 204652630.

The previous prime is 204652577. The next prime is 204652633. The reversal of 204652631 is 136256402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204652631 - 2²² = 200458327 is a prime.

It is a super-2 number, since 2×204652631² = 83765398750444322, which contains 22 as substring.

Together with 204652633, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 204652594 and 204652603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204652633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102326315 + 102326316.

It is an arithmetic number, because the mean of its divisors is an integer number (102326316).

Almost surely, 2^204652631 is an apocalyptic number.

204652631 is a deficient number, since it is larger than the sum of its proper divisors (1).

204652631 is an equidigital number, since it uses as much as digits as its factorization.

204652631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 204652631 is about 14305.6852684518. The cubic root of 204652631 is about 589.3036225137.

The spelling of 204652631 in words is "two hundred four million, six hundred fifty-two thousand, six hundred thirty-one".