630925142 has 4 divisors (see below), whose sum is σ = 946387716. Its totient is φ = 315462570.

The previous prime is 630925129. The next prime is 630925157. The reversal of 630925142 is 241529036.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 630925099 and 630925108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157731284 + ... + 157731287.

It is an arithmetic number, because the mean of its divisors is an integer number (236596929).

Almost surely, 2^630925142 is an apocalyptic number.

630925142 is a deficient number, since it is larger than the sum of its proper divisors (315462574).

630925142 is a wasteful number, since it uses less digits than its factorization.

630925142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315462573.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 630925142 is about 25118.2233050031. The cubic root of 630925142 is about 857.6813067936.

The spelling of 630925142 in words is "six hundred thirty million, nine hundred twenty-five thousand, one hundred forty-two".