1425534131 has 4 divisors (see below), whose sum is σ = 1629181872. Its totient is φ = 1221886392.

The previous prime is 1425534127. The next prime is 1425534139. The reversal of 1425534131 is 1314355241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1425534131 - 2² = 1425534127 is a prime.

It is a super-2 number, since 2×1425534131² = 4064295117291850322, 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 = 1425534094 and 1425534103.

It is not an unprimeable number, because it can be changed into a prime (1425534139) 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, 101823860 + ... + 101823873.

It is an arithmetic number, because the mean of its divisors is an integer number (407295468).

Almost surely, 2^1425534131 is an apocalyptic number.

1425534131 is a deficient number, since it is larger than the sum of its proper divisors (203647741).

1425534131 is an equidigital number, since it uses as much as digits as its factorization.

1425534131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203647740.

The product of its digits is 7200, while the sum is 29.

The square root of 1425534131 is about 37756.2462514482. The cubic root of 1425534131 is about 1125.4491391169.

Adding to 1425534131 its reverse (1314355241), we get a palindrome (2739889372).

The spelling of 1425534131 in words is "one billion, four hundred twenty-five million, five hundred thirty-four thousand, one hundred thirty-one".