1252425654 has 96 divisors (see below), whose sum is σ = 2886627744. Its totient is φ = 391910400.

The previous prime is 1252425623. The next prime is 1252425673. The reversal of 1252425654 is 4565242521.

1252425654 is a `hidden beast` number, since 1 + 2 + 52 + 42 + 565 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2892222 + ... + 2892654.

It is an arithmetic number, because the mean of its divisors is an integer number (30069039).

Almost surely, 2^1252425654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1252425654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1443313872).

1252425654 is an abundant number, since it is smaller than the sum of its proper divisors (1634202090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252425654 is a wasteful number, since it uses less digits than its factorization.

1252425654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 619 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 1252425654 is about 35389.6263614071. The cubic root of 1252425654 is about 1077.9136832063.

The spelling of 1252425654 in words is "one billion, two hundred fifty-two million, four hundred twenty-five thousand, six hundred fifty-four".