1425522505 has 32 divisors (see below), whose sum is σ = 1982631168. Its totient is φ = 972441600.

The previous prime is 1425522493. The next prime is 1425522509. The reversal of 1425522505 is 5052255241.

It is a happy number.

It is not a de Polignac number, because 1425522505 - 2²³ = 1417133897 is a prime.

It is a super-2 number, since 2×1425522505² = 4064228824522950050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1425522509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290220 + ... + 295090.

It is an arithmetic number, because the mean of its divisors is an integer number (61957224).

Almost surely, 2^1425522505 is an apocalyptic number.

It is an amenable number.

1425522505 is a deficient number, since it is larger than the sum of its proper divisors (557108663).

1425522505 is a wasteful number, since it uses less digits than its factorization.

1425522505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5217.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 1425522505 is about 37756.0922898544. The cubic root of 1425522505 is about 1125.4460795602.

Adding to 1425522505 its reverse (5052255241), we get a palindrome (6477777746).

The spelling of 1425522505 in words is "one billion, four hundred twenty-five million, five hundred twenty-two thousand, five hundred five".