2551432487 has 2 divisors, whose sum is σ = 2551432488. Its totient is φ = 2551432486.

The previous prime is 2551432469. The next prime is 2551432523. The reversal of 2551432487 is 7842341552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2551432487 - 2¹⁸ = 2551170343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2551432087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275716243 + 1275716244.

It is an arithmetic number, because the mean of its divisors is an integer number (1275716244).

Almost surely, 2^2551432487 is an apocalyptic number.

2551432487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551432487 is an equidigital number, since it uses as much as digits as its factorization.

2551432487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 268800, while the sum is 41.

The square root of 2551432487 is about 50511.7064352413. The cubic root of 2551432487 is about 1366.4529849608.

The spelling of 2551432487 in words is "two billion, five hundred fifty-one million, four hundred thirty-two thousand, four hundred eighty-seven".