630553153 has 2 divisors, whose sum is σ = 630553154. Its totient is φ = 630553152.

The previous prime is 630553141. The next prime is 630553159. The reversal of 630553153 is 351355036.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 512026384 + 118526769 = 22628^2 + 10887^2 .

It is a cyclic number.

It is not a de Polignac number, because 630553153 - 2¹³ = 630544961 is a prime.

It is equal to p_32834614 and since 630553153 and 32834614 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (630553159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315276576 + 315276577.

It is an arithmetic number, because the mean of its divisors is an integer number (315276577).

Almost surely, 2^630553153 is an apocalyptic number.

It is an amenable number.

630553153 is a deficient number, since it is larger than the sum of its proper divisors (1).

630553153 is an equidigital number, since it uses as much as digits as its factorization.

630553153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20250, while the sum is 31.

The square root of 630553153 is about 25110.8174498561. The cubic root of 630553153 is about 857.5127127118.

The spelling of 630553153 in words is "six hundred thirty million, five hundred fifty-three thousand, one hundred fifty-three".