425542545 has 16 divisors (see below), whose sum is σ = 756520320. Its totient is φ = 226955952.

The previous prime is 425542541. The next prime is 425542561. The reversal of 425542545 is 545245524.

425542545 is a `hidden beast` number, since 42 + 554 + 25 + 45 = 666.

It is not a de Polignac number, because 425542545 - 2² = 425542541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425542541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1575949 + ... + 1576218.

It is an arithmetic number, because the mean of its divisors is an integer number (47282520).

Almost surely, 2^425542545 is an apocalyptic number.

425542545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

425542545 is a deficient number, since it is larger than the sum of its proper divisors (330977775).

425542545 is a wasteful number, since it uses less digits than its factorization.

425542545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152181 (or 3152175 counting only the distinct ones).

The product of its digits is 160000, while the sum is 36.

The square root of 425542545 is about 20628.6825803297. The cubic root of 425542545 is about 752.1670922506.

The spelling of 425542545 in words is "four hundred twenty-five million, five hundred forty-two thousand, five hundred forty-five".