455261537 has 2 divisors, whose sum is σ = 455261538. Its totient is φ = 455261536.

The previous prime is 455261509. The next prime is 455261551. The reversal of 455261537 is 735162554.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 350588176 + 104673361 = 18724^2 + 10231^2 .

It is a cyclic number.

It is not a de Polignac number, because 455261537 - 2¹² = 455257441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 455261537.

It is not a weakly prime, because it can be changed into another prime (455261137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227630768 + 227630769.

It is an arithmetic number, because the mean of its divisors is an integer number (227630769).

Almost surely, 2^455261537 is an apocalyptic number.

It is an amenable number.

455261537 is a deficient number, since it is larger than the sum of its proper divisors (1).

455261537 is an equidigital number, since it uses as much as digits as its factorization.

455261537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126000, while the sum is 38.

The square root of 455261537 is about 21336.8586488264. The cubic root of 455261537 is about 769.2845082428.

The spelling of 455261537 in words is "four hundred fifty-five million, two hundred sixty-one thousand, five hundred thirty-seven".