1250245553 has 2 divisors, whose sum is σ = 1250245554. Its totient is φ = 1250245552.

The previous prime is 1250245541. The next prime is 1250245561. The reversal of 1250245553 is 3555420521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 875745649 + 374499904 = 29593^2 + 19352^2 .

It is an emirp because it is prime and its reverse (3555420521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1250245553 - 2⁶ = 1250245489 is a prime.

It is a super-2 number, since 2×1250245553² = 3126227885592551618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1250245153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625122776 + 625122777.

It is an arithmetic number, because the mean of its divisors is an integer number (625122777).

Almost surely, 2^1250245553 is an apocalyptic number.

It is an amenable number.

1250245553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250245553 is an equidigital number, since it uses as much as digits as its factorization.

1250245553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 1250245553 is about 35358.8115326293. The cubic root of 1250245553 is about 1077.2878774511.

The spelling of 1250245553 in words is "one billion, two hundred fifty million, two hundred forty-five thousand, five hundred fifty-three".