1013502425 has 12 divisors (see below), whose sum is σ = 1353415980. Its totient is φ = 748432320.

The previous prime is 1013502421. The next prime is 1013502431. The reversal of 1013502425 is 5242053101.

It can be written as a sum of positive squares in 6 ways, for example, as 289408144 + 724094281 = 17012^2 + 26909^2 .

It is not a de Polignac number, because 1013502425 - 2² = 1013502421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1013502425.

It is not an unprimeable number, because it can be changed into a prime (1013502421) 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, 1558910 + ... + 1559559.

It is an arithmetic number, because the mean of its divisors is an integer number (112784665).

Almost surely, 2^1013502425 is an apocalyptic number.

It is an amenable number.

1013502425 is a deficient number, since it is larger than the sum of its proper divisors (339913555).

1013502425 is a wasteful number, since it uses less digits than its factorization.

1013502425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3118492 (or 3118487 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1013502425 is about 31835.5528458357. The cubic root of 1013502425 is about 1004.4807016601.

Adding to 1013502425 its reverse (5242053101), we get a palindrome (6255555526).

The spelling of 1013502425 in words is "one billion, thirteen million, five hundred two thousand, four hundred twenty-five".