455261551 has 2 divisors, whose sum is σ = 455261552. Its totient is φ = 455261550.

The previous prime is 455261537. The next prime is 455261561. The reversal of 455261551 is 155162554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 455261551 - 2⁷ = 455261423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455261561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227630775 + 227630776.

It is an arithmetic number, because the mean of its divisors is an integer number (227630776).

Almost surely, 2^455261551 is an apocalyptic number.

455261551 is a deficient number, since it is larger than the sum of its proper divisors (1).

455261551 is an equidigital number, since it uses as much as digits as its factorization.

455261551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30000, while the sum is 34.

The square root of 455261551 is about 21336.8589768972. The cubic root of 455261551 is about 769.2845161284.

The spelling of 455261551 in words is "four hundred fifty-five million, two hundred sixty-one thousand, five hundred fifty-one".