15428051 has 2 divisors, whose sum is σ = 15428052. Its totient is φ = 15428050.

The previous prime is 15428047. The next prime is 15428071. The reversal of 15428051 is 15082451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15428051 - 2² = 15428047 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15428051.

It is not a weakly prime, because it can be changed into another prime (15428011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7714025 + 7714026.

It is an arithmetic number, because the mean of its divisors is an integer number (7714026).

Almost surely, 2^15428051 is an apocalyptic number.

15428051 is a deficient number, since it is larger than the sum of its proper divisors (1).

15428051 is an equidigital number, since it uses as much as digits as its factorization.

15428051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 15428051 is about 3927.8557763747. The cubic root of 15428051 is about 248.9451608506.

The spelling of 15428051 in words is "fifteen million, four hundred twenty-eight thousand, fifty-one".