28453137 has 16 divisors (see below), whose sum is σ = 38731008. Its totient is φ = 18576000.

The previous prime is 28453129. The next prime is 28453151. The reversal of 28453137 is 73135482.

It is not a de Polignac number, because 28453137 - 2³ = 28453129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28453098 and 28453107.

It is not an unprimeable number, because it can be changed into a prime (28453177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37512 + ... + 38262.

It is an arithmetic number, because the mean of its divisors is an integer number (2420688).

Almost surely, 2^28453137 is an apocalyptic number.

It is an amenable number.

28453137 is a deficient number, since it is larger than the sum of its proper divisors (10277871).

28453137 is a wasteful number, since it uses less digits than its factorization.

28453137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000.

The product of its digits is 20160, while the sum is 33.

The square root of 28453137 is about 5334.1481981662. The cubic root of 28453137 is about 305.2882234685.

The spelling of 28453137 in words is "twenty-eight million, four hundred fifty-three thousand, one hundred thirty-seven".