1503494725 has 24 divisors (see below), whose sum is σ = 1905045480. Its totient is φ = 1176664320.

The previous prime is 1503494717. The next prime is 1503494743. The reversal of 1503494725 is 5274943051.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 50893956 + 1452600769 = 7134^2 + 38113^2 .

It is not a de Polignac number, because 1503494725 - 2³ = 1503494717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 513967 + ... + 516883.

It is an arithmetic number, because the mean of its divisors is an integer number (79376895).

Almost surely, 2^1503494725 is an apocalyptic number.

It is an amenable number.

1503494725 is a deficient number, since it is larger than the sum of its proper divisors (401550755).

1503494725 is a wasteful number, since it uses less digits than its factorization.

1503494725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369 (or 3364 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 1503494725 is about 38774.9239199769. The cubic root of 1503494725 is about 1145.6025444902.

The spelling of 1503494725 in words is "one billion, five hundred three million, four hundred ninety-four thousand, seven hundred twenty-five".