630630141 has 4 divisors (see below), whose sum is σ = 840840192. Its totient is φ = 420420092.

The previous prime is 630630127. The next prime is 630630157. The reversal of 630630141 is 141036036.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 630630141 - 2¹³ = 630621949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630630191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105105021 + ... + 105105026.

It is an arithmetic number, because the mean of its divisors is an integer number (210210048).

Almost surely, 2^630630141 is an apocalyptic number.

It is an amenable number.

630630141 is a deficient number, since it is larger than the sum of its proper divisors (210210051).

630630141 is a wasteful number, since it uses less digits than its factorization.

630630141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210210050.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 630630141 is about 25112.3503678967. The cubic root of 630630141 is about 857.5476109075.

Adding to 630630141 its reverse (141036036), we get a palindrome (771666177).

The spelling of 630630141 in words is "six hundred thirty million, six hundred thirty thousand, one hundred forty-one".