551245259 has 2 divisors, whose sum is σ = 551245260. Its totient is φ = 551245258.

The previous prime is 551245237. The next prime is 551245273. The reversal of 551245259 is 952542155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551245259 - 2¹⁶ = 551179723 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (551245159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275622629 + 275622630.

It is an arithmetic number, because the mean of its divisors is an integer number (275622630).

Almost surely, 2^551245259 is an apocalyptic number.

551245259 is a deficient number, since it is larger than the sum of its proper divisors (1).

551245259 is an equidigital number, since it uses as much as digits as its factorization.

551245259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90000, while the sum is 38.

The square root of 551245259 is about 23478.6127997376. The cubic root of 551245259 is about 819.9391482704.

The spelling of 551245259 in words is "five hundred fifty-one million, two hundred forty-five thousand, two hundred fifty-nine".