1552052251 has 2 divisors, whose sum is σ = 1552052252. Its totient is φ = 1552052250.

The previous prime is 1552052239. The next prime is 1552052267. The reversal of 1552052251 is 1522502551.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1552052251 is a prime.

It is not a weakly prime, because it can be changed into another prime (1552056251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776026125 + 776026126.

It is an arithmetic number, because the mean of its divisors is an integer number (776026126).

Almost surely, 2^1552052251 is an apocalyptic number.

1552052251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552052251 is an equidigital number, since it uses as much as digits as its factorization.

1552052251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 1552052251 is about 39396.0943622588. The cubic root of 1552052251 is about 1157.8050673495.

The spelling of 1552052251 in words is "one billion, five hundred fifty-two million, fifty-two thousand, two hundred fifty-one".