200541551 has 16 divisors (see below), whose sum is σ = 235454208. Its totient is φ = 167227200.

The previous prime is 200541547. The next prime is 200541553. The reversal of 200541551 is 155145002.

It is a happy number.

It is not a de Polignac number, because 200541551 - 2² = 200541547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200541553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83396 + ... + 85766.

It is an arithmetic number, because the mean of its divisors is an integer number (14715888).

Almost surely, 2^200541551 is an apocalyptic number.

200541551 is a deficient number, since it is larger than the sum of its proper divisors (34912657).

200541551 is a wasteful number, since it uses less digits than its factorization.

200541551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 200541551 is about 14161.2693993159. The cubic root of 200541551 is about 585.3309068521.

Adding to 200541551 its reverse (155145002), we get a palindrome (355686553).

The spelling of 200541551 in words is "two hundred million, five hundred forty-one thousand, five hundred fifty-one".