1427645025 has 36 divisors (see below), whose sum is σ = 2563021968. Its totient is φ = 759638880.

The previous prime is 1427644991. The next prime is 1427645027. The reversal of 1427645025 is 5205467241.

It is a happy number.

1427645025 is a `hidden beast` number, since 1 + 4 + 2 + 7 + 645 + 0 + 2 + 5 = 666.

It is not a de Polignac number, because 1427645025 - 2⁸ = 1427644769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1427645027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 92514 + ... + 106836.

Almost surely, 2^1427645025 is an apocalyptic number.

1427645025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1427645025 is a deficient number, since it is larger than the sum of its proper divisors (1135376943).

1427645025 is a wasteful number, since it uses less digits than its factorization.

1427645025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14782 (or 14774 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 1427645025 is about 37784.1901461445. The cubic root of 1427645025 is about 1126.0043771198.

The spelling of 1427645025 in words is "one billion, four hundred twenty-seven million, six hundred forty-five thousand, twenty-five".