201951952 has 10 divisors (see below), whose sum is σ = 391281938. Its totient is φ = 100975968.

The previous prime is 201951943. The next prime is 201951977. The reversal of 201951952 is 259159102.

It can be written as a sum of positive squares in only one way, i.e., 173606976 + 28344976 = 13176^2 + 5324^2 .

It is a super-2 number, since 2×201951952² = 81569181833220608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6310983 + ... + 6311014.

Almost surely, 2^201951952 is an apocalyptic number.

It is an amenable number.

201951952 is a deficient number, since it is larger than the sum of its proper divisors (189329986).

201951952 is a wasteful number, since it uses less digits than its factorization.

201951952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12622005 (or 12621999 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 201951952 is about 14210.9799802829. The cubic root of 201951952 is about 586.6999057154.

The spelling of 201951952 in words is "two hundred one million, nine hundred fifty-one thousand, nine hundred fifty-two".