1254005537 has 2 divisors, whose sum is σ = 1254005538. Its totient is φ = 1254005536.

The previous prime is 1254005513. The next prime is 1254005579. The reversal of 1254005537 is 7355004521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1237350976 + 16654561 = 35176^2 + 4081^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254005537 - 2²⁶ = 1186896673 is a prime.

It is not a weakly prime, because it can be changed into another prime (1254005507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627002768 + 627002769.

It is an arithmetic number, because the mean of its divisors is an integer number (627002769).

Almost surely, 2^1254005537 is an apocalyptic number.

It is an amenable number.

1254005537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254005537 is an equidigital number, since it uses as much as digits as its factorization.

1254005537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 1254005537 is about 35411.9405991821. The cubic root of 1254005537 is about 1078.3667405518.

The spelling of 1254005537 in words is "one billion, two hundred fifty-four million, five thousand, five hundred thirty-seven".