1552314857 has 2 divisors, whose sum is σ = 1552314858. Its totient is φ = 1552314856.

The previous prime is 1552314847. The next prime is 1552314901. The reversal of 1552314857 is 7584132551.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 949317721 + 602997136 = 30811^2 + 24556^2 .

It is a cyclic number.

It is not a de Polignac number, because 1552314857 - 2⁶ = 1552314793 is a prime.

It is not a weakly prime, because it can be changed into another prime (1552314847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776157428 + 776157429.

It is an arithmetic number, because the mean of its divisors is an integer number (776157429).

Almost surely, 2^1552314857 is an apocalyptic number.

It is an amenable number.

1552314857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552314857 is an equidigital number, since it uses as much as digits as its factorization.

1552314857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168000, while the sum is 41.

The square root of 1552314857 is about 39399.4271151244. The cubic root of 1552314857 is about 1157.8703635642.

The spelling of 1552314857 in words is "one billion, five hundred fifty-two million, three hundred fourteen thousand, eight hundred fifty-seven".