1425533431 has 6 divisors (see below), whose sum is σ = 1658273640. Its totient is φ = 1221885756.

The previous prime is 1425533429. The next prime is 1425533477. The reversal of 1425533431 is 1343355241.

It is not a de Polignac number, because 1425533431 - 2¹ = 1425533429 is a prime.

It is a super-2 number, since 2×1425533431² = 4064291125797263522, 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 = 1425533393 and 1425533402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425533401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14546211 + ... + 14546308.

It is an arithmetic number, because the mean of its divisors is an integer number (276378940).

Almost surely, 2^1425533431 is an apocalyptic number.

1425533431 is a deficient number, since it is larger than the sum of its proper divisors (232740209).

1425533431 is an equidigital number, since it uses as much as digits as its factorization.

1425533431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29092533 (or 29092526 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 1425533431 is about 37756.2369814578. The cubic root of 1425533431 is about 1125.4489549018.

Adding to 1425533431 its reverse (1343355241), we get a palindrome (2768888672).

The spelling of 1425533431 in words is "one billion, four hundred twenty-five million, five hundred thirty-three thousand, four hundred thirty-one".