1204532551 has 2 divisors, whose sum is σ = 1204532552. Its totient is φ = 1204532550.

The previous prime is 1204532533. The next prime is 1204532557. The reversal of 1204532551 is 1552354021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1204532551 - 2²⁵ = 1170978119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1204532557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602266275 + 602266276.

It is an arithmetic number, because the mean of its divisors is an integer number (602266276).

Almost surely, 2^1204532551 is an apocalyptic number.

1204532551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204532551 is an equidigital number, since it uses as much as digits as its factorization.

1204532551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1204532551 is about 34706.3762297362. The cubic root of 1204532551 is about 1063.9948199076.

Adding to 1204532551 its reverse (1552354021), we get a palindrome (2756886572).

The spelling of 1204532551 in words is "one billion, two hundred four million, five hundred thirty-two thousand, five hundred fifty-one".