28461051 has 20 divisors (see below), whose sum is σ = 44367312. Its totient is φ = 18147888.

The previous prime is 28461047. The next prime is 28461067. The reversal of 28461051 is 15016482.

It is not a de Polignac number, because 28461051 - 2² = 28461047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (28461091) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5776 + ... + 9501.

Almost surely, 2^28461051 is an apocalyptic number.

28461051 is a deficient number, since it is larger than the sum of its proper divisors (15906261).

28461051 is a wasteful number, since it uses less digits than its factorization.

28461051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15312 (or 15303 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 28461051 is about 5334.8899707492. The cubic root of 28461051 is about 305.3165252926.

The spelling of 28461051 in words is "twenty-eight million, four hundred sixty-one thousand, fifty-one".