402654047 has 2 divisors, whose sum is σ = 402654048. Its totient is φ = 402654046.

The previous prime is 402654037. The next prime is 402654059. The reversal of 402654047 is 740456204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402654047 - 2⁸ = 402653791 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402654037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201327023 + 201327024.

It is an arithmetic number, because the mean of its divisors is an integer number (201327024).

Almost surely, 2^402654047 is an apocalyptic number.

402654047 is a deficient number, since it is larger than the sum of its proper divisors (1).

402654047 is an equidigital number, since it uses as much as digits as its factorization.

402654047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 402654047 is about 20066.2414766692. The cubic root of 402654047 is about 738.4323075533.

The spelling of 402654047 in words is "four hundred two million, six hundred fifty-four thousand, forty-seven".