1087485457 has 2 divisors, whose sum is σ = 1087485458. Its totient is φ = 1087485456.

The previous prime is 1087485407. The next prime is 1087485473. The reversal of 1087485457 is 7545847801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 701402256 + 386083201 = 26484^2 + 19649^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1087485457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1087485457.

It is not a weakly prime, because it can be changed into another prime (1087485407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543742728 + 543742729.

It is an arithmetic number, because the mean of its divisors is an integer number (543742729).

Almost surely, 2^1087485457 is an apocalyptic number.

It is an amenable number.

1087485457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087485457 is an equidigital number, since it uses as much as digits as its factorization.

1087485457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1254400, while the sum is 49.

The square root of 1087485457 is about 32977.0443945482. The cubic root of 1087485457 is about 1028.3504740618.

The spelling of 1087485457 in words is "one billion, eighty-seven million, four hundred eighty-five thousand, four hundred fifty-seven".