1697201252 has 6 divisors (see below), whose sum is σ = 2970102198. Its totient is φ = 848600624.

The previous prime is 1697201213. The next prime is 1697201263. The reversal of 1697201252 is 2521027961.

It can be written as a sum of positive squares in only one way, i.e., 1656164416 + 41036836 = 40696^2 + 6406^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212150153 + ... + 212150160.

It is an arithmetic number, because the mean of its divisors is an integer number (495017033).

Almost surely, 2^1697201252 is an apocalyptic number.

It is an amenable number.

1697201252 is a deficient number, since it is larger than the sum of its proper divisors (1272900946).

1697201252 is a wasteful number, since it uses less digits than its factorization.

1697201252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424300317 (or 424300315 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 1697201252 is about 41197.1024709263. The cubic root of 1697201252 is about 1192.8278794916.

The spelling of 1697201252 in words is "one billion, six hundred ninety-seven million, two hundred one thousand, two hundred fifty-two".