253126430 has 24 divisors (see below), whose sum is σ = 484011288. Its totient is φ = 95293568.

The previous prime is 253126427. The next prime is 253126459. The reversal of 253126430 is 34621352.

It is a self number, because there is not a number n which added to its sum of digits gives 253126430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40904 + ... + 46683.

It is an arithmetic number, because the mean of its divisors is an integer number (20167137).

Almost surely, 2^253126430 is an apocalyptic number.

253126430 is a deficient number, since it is larger than the sum of its proper divisors (230884858).

253126430 is a wasteful number, since it uses less digits than its factorization.

253126430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87628 (or 87611 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 253126430 is about 15909.9475171982. The cubic root of 253126430 is about 632.5756901925.

Adding to 253126430 its reverse (34621352), we get a palindrome (287747782).

The spelling of 253126430 in words is "two hundred fifty-three million, one hundred twenty-six thousand, four hundred thirty".