1425343553 has 4 divisors (see below), whose sum is σ = 1425494868. Its totient is φ = 1425192240.

The previous prime is 1425343547. The next prime is 1425343559. The reversal of 1425343553 is 3553435241.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1425343547) and next prime (1425343559).

It can be written as a sum of positive squares in 2 ways, for example, as 319980544 + 1105363009 = 17888^2 + 33247^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425343553 - 2⁴ = 1425343537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1425343559) 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, 60518 + ... + 80703.

It is an arithmetic number, because the mean of its divisors is an integer number (356373717).

Almost surely, 2^1425343553 is an apocalyptic number.

It is an amenable number.

1425343553 is a deficient number, since it is larger than the sum of its proper divisors (151315).

1425343553 is a wasteful number, since it uses less digits than its factorization.

1425343553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151314.

The product of its digits is 108000, while the sum is 35.

The square root of 1425343553 is about 37753.7223727674. The cubic root of 1425343553 is about 1125.3989835529.

Adding to 1425343553 its reverse (3553435241), we get a palindrome (4978778794).

The spelling of 1425343553 in words is "one billion, four hundred twenty-five million, three hundred forty-three thousand, five hundred fifty-three".