1248854525 has 24 divisors (see below), whose sum is σ = 1616578824. Its totient is φ = 956102400.

The previous prime is 1248854507. The next prime is 1248854639. The reversal of 1248854525 is 5254588421.

It can be written as a sum of positive squares in 12 ways, for example, as 417916249 + 830938276 = 20443^2 + 28826^2 .

It is not a de Polignac number, because 1248854525 - 2²⁴ = 1232077309 is a prime.

It is a super-2 number, since 2×1248854525² = 3119275249225951250, which contains 22 as substring.

It is a Duffinian number.

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, 45359 + ... + 67491.

It is an arithmetic number, because the mean of its divisors is an integer number (67357451).

Almost surely, 2^1248854525 is an apocalyptic number.

It is an amenable number.

1248854525 is a deficient number, since it is larger than the sum of its proper divisors (367724299).

1248854525 is a wasteful number, since it uses less digits than its factorization.

1248854525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22241 (or 22236 counting only the distinct ones).

The product of its digits is 512000, while the sum is 44.

The square root of 1248854525 is about 35339.1358836064. The cubic root of 1248854525 is about 1076.8881976439. Note that the first 3 decimals are identical.

The spelling of 1248854525 in words is "one billion, two hundred forty-eight million, eight hundred fifty-four thousand, five hundred twenty-five".