3691253 has 2 divisors, whose sum is σ = 3691254. Its totient is φ = 3691252.

The previous prime is 3691223. The next prime is 3691273. The reversal of 3691253 is 3521963.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3659569 + 31684 = 1913^2 + 178^2 .

It is a cyclic number.

It is not a de Polignac number, because 3691253 - 2¹⁸ = 3429109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3691213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1845626 + 1845627.

It is an arithmetic number, because the mean of its divisors is an integer number (1845627).

Almost surely, 2^3691253 is an apocalyptic number.

It is an amenable number.

3691253 is a deficient number, since it is larger than the sum of its proper divisors (1).

3691253 is an equidigital number, since it uses as much as digits as its factorization.

3691253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 29.

The square root of 3691253 is about 1921.2633864205. The cubic root of 3691253 is about 154.5460600060.

The spelling of 3691253 in words is "three million, six hundred ninety-one thousand, two hundred fifty-three".