2251153603 has 2 divisors, whose sum is σ = 2251153604. Its totient is φ = 2251153602.

The previous prime is 2251153591. The next prime is 2251153609. The reversal of 2251153603 is 3063511522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2251153603 - 2¹³ = 2251145411 is a prime.

It is not a weakly prime, because it can be changed into another prime (2251153609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125576801 + 1125576802.

It is an arithmetic number, because the mean of its divisors is an integer number (1125576802).

Almost surely, 2^2251153603 is an apocalyptic number.

2251153603 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251153603 is an equidigital number, since it uses as much as digits as its factorization.

2251153603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 2251153603 is about 47446.3233875924. The cubic root of 2251153603 is about 1310.5946066295.

The spelling of 2251153603 in words is "two billion, two hundred fifty-one million, one hundred fifty-three thousand, six hundred three".