1415505425 has 24 divisors (see below), whose sum is σ = 1868213016. Its totient is φ = 1060208640.

The previous prime is 1415505407. The next prime is 1415505431. The reversal of 1415505425 is 5245055141.

It can be written as a sum of positive squares in 12 ways, for example, as 761373649 + 654131776 = 27593^2 + 25576^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1415505425 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1415505391 and 1415505400.

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, 73397 + ... + 90653.

It is an arithmetic number, because the mean of its divisors is an integer number (77842209).

Almost surely, 2^1415505425 is an apocalyptic number.

It is an amenable number.

1415505425 is a deficient number, since it is larger than the sum of its proper divisors (452707591).

1415505425 is a wasteful number, since it uses less digits than its factorization.

1415505425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17477 (or 17472 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 1415505425 is about 37623.2032793594. The cubic root of 1415505425 is about 1122.8037283061.

The spelling of 1415505425 in words is "one billion, four hundred fifteen million, five hundred five thousand, four hundred twenty-five".