1530315925 has 12 divisors (see below), whose sum is σ = 1980096480. Its totient is φ = 1171023920.

The previous prime is 1530315923. The next prime is 1530315937. The reversal of 1530315925 is 5295130351.

It is not a de Polignac number, because 1530315925 - 2¹ = 1530315923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530315923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1330135 + ... + 1331284.

It is an arithmetic number, because the mean of its divisors is an integer number (165008040).

Almost surely, 2^1530315925 is an apocalyptic number.

It is an amenable number.

1530315925 is a deficient number, since it is larger than the sum of its proper divisors (449780555).

1530315925 is a wasteful number, since it uses less digits than its factorization.

1530315925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661452 (or 2661447 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 34.

The square root of 1530315925 is about 39119.2526130037. The cubic root of 1530315925 is about 1152.3746583620.

The spelling of 1530315925 in words is "one billion, five hundred thirty million, three hundred fifteen thousand, nine hundred twenty-five".