245882551 has 2 divisors, whose sum is σ = 245882552. Its totient is φ = 245882550.

The previous prime is 245882537. The next prime is 245882573. The reversal of 245882551 is 155288542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245882551 - 2¹³ = 245874359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245882251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122941275 + 122941276.

It is an arithmetic number, because the mean of its divisors is an integer number (122941276).

Almost surely, 2^245882551 is an apocalyptic number.

245882551 is a deficient number, since it is larger than the sum of its proper divisors (1).

245882551 is an equidigital number, since it uses as much as digits as its factorization.

245882551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 128000, while the sum is 40.

The square root of 245882551 is about 15680.6425569873. The cubic root of 245882551 is about 626.4829222438.

The spelling of 245882551 in words is "two hundred forty-five million, eight hundred eighty-two thousand, five hundred fifty-one".