201557325 has 24 divisors (see below), whose sum is σ = 333782208. Its totient is φ = 107322880.

The previous prime is 201557299. The next prime is 201557333. The reversal of 201557325 is 523755102.

It is not a de Polignac number, because 201557325 - 2¹⁹ = 201033037 is a prime.

It is a super-2 number, since 2×201557325² = 81250710522311250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 201557292 and 201557301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53917 + ... + 57533.

It is an arithmetic number, because the mean of its divisors is an integer number (13907592).

Almost surely, 2^201557325 is an apocalyptic number.

201557325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201557325 is a deficient number, since it is larger than the sum of its proper divisors (132224883).

201557325 is a wasteful number, since it uses less digits than its factorization.

201557325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373 (or 4368 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 201557325 is about 14197.0886099932. The cubic root of 201557325 is about 586.3175068463.

It can be divided in two parts, 2015 and 57325, that added together give a triangular number (59340 = T₃₄₄).

The spelling of 201557325 in words is "two hundred one million, five hundred fifty-seven thousand, three hundred twenty-five".