1425574520 has 32 divisors (see below), whose sum is σ = 3261913200. Its totient is φ = 560563968.

The previous prime is 1425574519. The next prime is 1425574561. The reversal of 1425574520 is 254755241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299669 + ... + 304388.

Almost surely, 2^1425574520 is an apocalyptic number.

1425574520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1425574520 is an abundant number, since it is smaller than the sum of its proper divisors (1836338680).

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

1425574520 is a wasteful number, since it uses less digits than its factorization.

1425574520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604127 (or 604123 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 35.

The square root of 1425574520 is about 37756.7811128014. The cubic root of 1425574520 is about 1125.4597679600.

The spelling of 1425574520 in words is "one billion, four hundred twenty-five million, five hundred seventy-four thousand, five hundred twenty".