1503113425 has 18 divisors (see below), whose sum is σ = 2048710454. Its totient is φ = 1093171200.

The previous prime is 1503113407. The next prime is 1503113489. The reversal of 1503113425 is 5243113051.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 159744321 + 1343369104 = 12639^2 + 36652^2 .

It is not a de Polignac number, because 1503113425 - 2²³ = 1494724817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1503113425.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 245424 + ... + 251473.

Almost surely, 2^1503113425 is an apocalyptic number.

It is an amenable number.

1503113425 is a deficient number, since it is larger than the sum of its proper divisors (545597029).

1503113425 is a wasteful number, since it uses less digits than its factorization.

1503113425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496929 (or 496913 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1503113425 is about 38770.0067706984. The cubic root of 1503113425 is about 1145.5056912111.

Adding to 1503113425 its reverse (5243113051), we get a palindrome (6746226476).

The spelling of 1503113425 in words is "one billion, five hundred three million, one hundred thirteen thousand, four hundred twenty-five".