201361557 has 8 divisors (see below), whose sum is σ = 268769376. Its totient is φ = 134097392.

The previous prime is 201361553. The next prime is 201361591. The reversal of 201361557 is 755163102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201361557 - 2² = 201361553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201361553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32598 + ... + 38279.

It is an arithmetic number, because the mean of its divisors is an integer number (33596172).

Almost surely, 2^201361557 is an apocalyptic number.

It is an amenable number.

201361557 is a deficient number, since it is larger than the sum of its proper divisors (67407819).

201361557 is an equidigital number, since it uses as much as digits as its factorization.

201361557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71827.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 201361557 is about 14190.1922819953. The cubic root of 201361557 is about 586.1276197798.

The spelling of 201361557 in words is "two hundred one million, three hundred sixty-one thousand, five hundred fifty-seven".