1403125425 has 36 divisors (see below), whose sum is σ = 2706478684. Its totient is φ = 690768000.

The previous prime is 1403125393. The next prime is 1403125429. The reversal of 1403125425 is 5245213041.

1403125425 is a `hidden beast` number, since 1 + 403 + 1 + 254 + 2 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 579894561 + 823230864 = 24081^2 + 28692^2 .

It is not a de Polignac number, because 1403125425 - 2⁵ = 1403125393 is a prime.

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1403125429) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 236926 + ... + 242775.

Almost surely, 2^1403125425 is an apocalyptic number.

1403125425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1403125425 is a deficient number, since it is larger than the sum of its proper divisors (1303353259).

1403125425 is a wasteful number, since it uses less digits than its factorization.

1403125425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479730 (or 479722 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1403125425 is about 37458.3158324023. The cubic root of 1403125425 is about 1119.5207944107.

Adding to 1403125425 its reverse (5245213041), we get a palindrome (6648338466).

The spelling of 1403125425 in words is "one billion, four hundred three million, one hundred twenty-five thousand, four hundred twenty-five".