1602551 has 2 divisors, whose sum is σ = 1602552. Its totient is φ = 1602550.

The previous prime is 1602529. The next prime is 1602553. The reversal of 1602551 is 1552061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1602551 - 2⁶ = 1602487 is a prime.

Together with 1602553, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1602553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801275 + 801276.

It is an arithmetic number, because the mean of its divisors is an integer number (801276).

2^1602551 is an apocalyptic number.

1602551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1602551 is an equidigital number, since it uses as much as digits as its factorization.

1602551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1602551 is about 1265.9190337458. The cubic root of 1602551 is about 117.0228362662.

The spelling of 1602551 in words is "one million, six hundred two thousand, five hundred fifty-one".