1545541425 has 96 divisors (see below), whose sum is σ = 2952668160. Its totient is φ = 791769600.

The previous prime is 1545541357. The next prime is 1545541469. The reversal of 1545541425 is 5241455451.

It is not a de Polignac number, because 1545541425 - 2¹³ = 1545533233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1545541425.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4875367 + ... + 4875683.

It is an arithmetic number, because the mean of its divisors is an integer number (30756960).

Almost surely, 2^1545541425 is an apocalyptic number.

1545541425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1545541425 is a deficient number, since it is larger than the sum of its proper divisors (1407126735).

1545541425 is a wasteful number, since it uses less digits than its factorization.

1545541425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 589 counting only the distinct ones).

The product of its digits is 80000, while the sum is 36.

The square root of 1545541425 is about 39313.3746325598. The cubic root of 1545541425 is about 1156.1838090183.

Adding to 1545541425 its reverse (5241455451), we get a palindrome (6786996876).

The spelling of 1545541425 in words is "one billion, five hundred forty-five million, five hundred forty-one thousand, four hundred twenty-five".