207252649 has 2 divisors, whose sum is σ = 207252650. Its totient is φ = 207252648.

The previous prime is 207252613. The next prime is 207252653. The reversal of 207252649 is 946252702.

It is a happy number.

207252649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120297024 + 86955625 = 10968^2 + 9325^2 .

It is a cyclic number.

It is not a de Polignac number, because 207252649 - 2⁹ = 207252137 is a prime.

It is equal to p_11458099 and since 207252649 and 11458099 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (207252449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103626324 + 103626325.

It is an arithmetic number, because the mean of its divisors is an integer number (103626325).

Almost surely, 2^207252649 is an apocalyptic number.

It is an amenable number.

207252649 is a deficient number, since it is larger than the sum of its proper divisors (1).

207252649 is an equidigital number, since it uses as much as digits as its factorization.

207252649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 207252649 is about 14396.2720521668. The cubic root of 207252649 is about 591.7887388760.

The spelling of 207252649 in words is "two hundred seven million, two hundred fifty-two thousand, six hundred forty-nine".