1432254421 has 4 divisors (see below), whose sum is σ = 1542427852. Its totient is φ = 1322080992.

The previous prime is 1432254401. The next prime is 1432254491. The reversal of 1432254421 is 1244522341.

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

It can be written as a sum of positive squares in 2 ways, for example, as 480223396 + 952031025 = 21914^2 + 30855^2 .

It is a cyclic number.

It is not a de Polignac number, because 1432254421 - 2⁵ = 1432254389 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 1432254421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1432254401) 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, 55086696 + ... + 55086721.

It is an arithmetic number, because the mean of its divisors is an integer number (385606963).

Almost surely, 2^1432254421 is an apocalyptic number.

It is an amenable number.

1432254421 is a deficient number, since it is larger than the sum of its proper divisors (110173431).

1432254421 is a wasteful number, since it uses less digits than its factorization.

1432254421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110173430.

The product of its digits is 7680, while the sum is 28.

The square root of 1432254421 is about 37845.1373494667. The cubic root of 1432254421 is about 1127.2149077869.

Adding to 1432254421 its reverse (1244522341), we get a palindrome (2676776762).

The spelling of 1432254421 in words is "one billion, four hundred thirty-two million, two hundred fifty-four thousand, four hundred twenty-one".