1425515536 has 15 divisors (see below), whose sum is σ = 2762228991. Its totient is φ = 712682256.

The previous prime is 1425515479. The next prime is 1425515537. The reversal of 1425515536 is 6355155241.

It is a happy number.

The square root of 1425515536 is 37756.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1425515495 and 1425515504.

It is not an unprimeable number, because it can be changed into a prime (1425515537) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 146305 + ... + 155743.

Almost surely, 2^1425515536 is an apocalyptic number.

1425515536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1425515536 is the 37756-th square number.

It is an amenable number.

1425515536 is a deficient number, since it is larger than the sum of its proper divisors (1336713455).

1425515536 is an frugal number, since it uses more digits than its factorization.

1425515536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18886 (or 9441 counting only the distinct ones).

The product of its digits is 90000, while the sum is 37.

The cubic root of 1425515536 is about 1125.4442455551. Note that the first 3 decimals are identical.

Multiplying 1425515536 by its product of digits (90000), we get a square (128296398240000 = 11326800²).

It can be divided in two parts, 14255 and 15536, that added together give a cube (29791 = 31³).

The spelling of 1425515536 in words is "one billion, four hundred twenty-five million, five hundred fifteen thousand, five hundred thirty-six".