254530431 has 10 divisors (see below), whose sum is σ = 380224592. Its totient is φ = 169686900.

The previous prime is 254530421. The next prime is 254530439. The reversal of 254530431 is 134035452.

It is a de Polignac number, because none of the positive numbers 2^k-254530431 is a prime.

It is a super-2 number, since 2×254530431² = 129571480610091522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254530395 and 254530404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254530439) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1571095 + ... + 1571256.

Almost surely, 2^254530431 is an apocalyptic number.

254530431 is a deficient number, since it is larger than the sum of its proper divisors (125694161).

254530431 is an equidigital number, since it uses as much as digits as its factorization.

254530431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142363 (or 3142354 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 254530431 is about 15954.0098721293. The cubic root of 254530431 is about 633.7430908529.

Adding to 254530431 its reverse (134035452), we get a palindrome (388565883).

The spelling of 254530431 in words is "two hundred fifty-four million, five hundred thirty thousand, four hundred thirty-one".