1425254043 has 4 divisors (see below), whose sum is σ = 1900338728. Its totient is φ = 950169360.

The previous prime is 1425254029. The next prime is 1425254063. The reversal of 1425254043 is 3404525241.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1425254043 - 2¹⁶ = 1425188507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1425254043.

It is not an unprimeable number, because it can be changed into a prime (1425254063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237542338 + ... + 237542343.

It is an arithmetic number, because the mean of its divisors is an integer number (475084682).

Almost surely, 2^1425254043 is an apocalyptic number.

1425254043 is a deficient number, since it is larger than the sum of its proper divisors (475084685).

1425254043 is an equidigital number, since it uses as much as digits as its factorization.

1425254043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475084684.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1425254043 is about 37752.5369081337. The cubic root of 1425254043 is about 1125.3754251222.

Adding to 1425254043 its reverse (3404525241), we get a palindrome (4829779284).

The spelling of 1425254043 in words is "one billion, four hundred twenty-five million, two hundred fifty-four thousand, forty-three".