5425661545 has 8 divisors (see below), whose sum is σ = 6521889024. Its totient is φ = 4333132464.

The previous prime is 5425661543. The next prime is 5425661551. The reversal of 5425661545 is 5451665245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5425661545 - 2¹ = 5425661543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5425661543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921369 + ... + 927238.

It is an arithmetic number, because the mean of its divisors is an integer number (815236128).

Almost surely, 2^5425661545 is an apocalyptic number.

It is an amenable number.

5425661545 is a deficient number, since it is larger than the sum of its proper divisors (1096227479).

5425661545 is a wasteful number, since it uses less digits than its factorization.

5425661545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849199.

The product of its digits is 720000, while the sum is 43.

The square root of 5425661545 is about 73659.0900364646. The cubic root of 5425661545 is about 1757.1853194826.

The spelling of 5425661545 in words is "five billion, four hundred twenty-five million, six hundred sixty-one thousand, five hundred forty-five".