1425033331 has 4 divisors (see below), whose sum is σ = 1425130200. Its totient is φ = 1424936464.

The previous prime is 1425033329. The next prime is 1425033353. The reversal of 1425033331 is 1333305241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1425033331 - 2¹ = 1425033329 is a prime.

It is a super-2 number, since 2×1425033331² = 4061439988921911122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1425033296 and 1425033305.

It is not an unprimeable number, because it can be changed into a prime (1425033031) 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, 21301 + ... + 57478.

It is an arithmetic number, because the mean of its divisors is an integer number (356282550).

Almost surely, 2^1425033331 is an apocalyptic number.

1425033331 is a deficient number, since it is larger than the sum of its proper divisors (96869).

1425033331 is an equidigital number, since it uses as much as digits as its factorization.

1425033331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96868.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 1425033331 is about 37749.6136536521. The cubic root of 1425033331 is about 1125.3173309917.

Adding to 1425033331 its reverse (1333305241), we get a palindrome (2758338572).

The spelling of 1425033331 in words is "one billion, four hundred twenty-five million, thirty-three thousand, three hundred thirty-one".