400054153 has 2 divisors, whose sum is σ = 400054154. Its totient is φ = 400054152.

The previous prime is 400054147. The next prime is 400054169. The reversal of 400054153 is 351450004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203689984 + 196364169 = 14272^2 + 14013^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400054153 is a prime.

It is not a weakly prime, because it can be changed into another prime (400054103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200027076 + 200027077.

It is an arithmetic number, because the mean of its divisors is an integer number (200027077).

Almost surely, 2^400054153 is an apocalyptic number.

It is an amenable number.

400054153 is a deficient number, since it is larger than the sum of its proper divisors (1).

400054153 is an equidigital number, since it uses as much as digits as its factorization.

400054153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 400054153 is about 20001.3537791820. The cubic root of 400054153 is about 736.8395484540.

The spelling of 400054153 in words is "four hundred million, fifty-four thousand, one hundred fifty-three".