1425434205 has 64 divisors (see below), whose sum is σ = 2527822080. Its totient is φ = 681547776.

The previous prime is 1425434203. The next prime is 1425434237. The reversal of 1425434205 is 5024345241.

It is not a de Polignac number, because 1425434205 - 2¹ = 1425434203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425434203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1105201 + ... + 1106489.

It is an arithmetic number, because the mean of its divisors is an integer number (39497220).

Almost surely, 2^1425434205 is an apocalyptic number.

1425434205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1425434205 is a deficient number, since it is larger than the sum of its proper divisors (1102387875).

1425434205 is a wasteful number, since it uses less digits than its factorization.

1425434205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470.

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

The square root of 1425434205 is about 37754.9229240373. The cubic root of 1425434205 is about 1125.4228415451.

Adding to 1425434205 its reverse (5024345241), we get a palindrome (6449779446).

The spelling of 1425434205 in words is "one billion, four hundred twenty-five million, four hundred thirty-four thousand, two hundred five".