425537131 has 2 divisors, whose sum is σ = 425537132. Its totient is φ = 425537130.

The previous prime is 425537083. The next prime is 425537141. The reversal of 425537131 is 131735524.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425537131 is a prime.

It is a super-2 number, since 2×425537131² = 362163699719422322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 425537093 and 425537102.

It is not a weakly prime, because it can be changed into another prime (425537141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212768565 + 212768566.

It is an arithmetic number, because the mean of its divisors is an integer number (212768566).

Almost surely, 2^425537131 is an apocalyptic number.

425537131 is a deficient number, since it is larger than the sum of its proper divisors (1).

425537131 is an equidigital number, since it uses as much as digits as its factorization.

425537131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 31.

The square root of 425537131 is about 20628.5513548577. The cubic root of 425537131 is about 752.1639024012.

The spelling of 425537131 in words is "four hundred twenty-five million, five hundred thirty-seven thousand, one hundred thirty-one".