137552897 has 2 divisors, whose sum is σ = 137552898. Its totient is φ = 137552896.

The previous prime is 137552813. The next prime is 137552917. The reversal of 137552897 is 798255731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92179201 + 45373696 = 9601^2 + 6736^2 .

It is a cyclic number.

It is not a de Polignac number, because 137552897 - 2⁸ = 137552641 is a prime.

It is not a weakly prime, because it can be changed into another prime (137554897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68776448 + 68776449.

It is an arithmetic number, because the mean of its divisors is an integer number (68776449).

Almost surely, 2^137552897 is an apocalyptic number.

It is an amenable number.

137552897 is a deficient number, since it is larger than the sum of its proper divisors (1).

137552897 is an equidigital number, since it uses as much as digits as its factorization.

137552897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 47.

The square root of 137552897 is about 11728.2947183297. The cubic root of 137552897 is about 516.2062365410.

The spelling of 137552897 in words is "one hundred thirty-seven million, five hundred fifty-two thousand, eight hundred ninety-seven".