1425125543 has 2 divisors, whose sum is σ = 1425125544. Its totient is φ = 1425125542.

The previous prime is 1425125503. The next prime is 1425125573. The reversal of 1425125543 is 3455215241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1425125543 is a prime.

It is a super-2 number, since 2×1425125543² = 4061965626622089698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1425125503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712562771 + 712562772.

It is an arithmetic number, because the mean of its divisors is an integer number (712562772).

Almost surely, 2^1425125543 is an apocalyptic number.

1425125543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425125543 is an equidigital number, since it uses as much as digits as its factorization.

1425125543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24000, while the sum is 32.

The square root of 1425125543 is about 37750.8349973878. The cubic root of 1425125543 is about 1125.3416030611.

The spelling of 1425125543 in words is "one billion, four hundred twenty-five million, one hundred twenty-five thousand, five hundred forty-three".