1425032531 has 16 divisors (see below), whose sum is σ = 1664566848. Its totient is φ = 1207833600.

The previous prime is 1425032507. The next prime is 1425032563. The reversal of 1425032531 is 1352305241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1425032531 - 2¹⁰ = 1425031507 is a prime.

It is a super-2 number, since 2×1425032531² = 4061435428816531922, which contains 22 as substring.

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 1425032531.

It is not an unprimeable number, because it can be changed into a prime (1425032591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69575 + ... + 87696.

It is an arithmetic number, because the mean of its divisors is an integer number (104035428).

Almost surely, 2^1425032531 is an apocalyptic number.

1425032531 is a deficient number, since it is larger than the sum of its proper divisors (239534317).

1425032531 is a wasteful number, since it uses less digits than its factorization.

1425032531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157342.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1425032531 is about 37749.6030575157. The cubic root of 1425032531 is about 1125.3171204109.

Adding to 1425032531 its reverse (1352305241), we get a palindrome (2777337772).

The spelling of 1425032531 in words is "one billion, four hundred twenty-five million, thirty-two thousand, five hundred thirty-one".