28425030 has 16 divisors (see below), whose sum is σ = 68220144. Its totient is φ = 7580000.

The previous prime is 28425029. The next prime is 28425031. The reversal of 28425030 is 3052482.

It is an interprime number because it is at equal distance from previous prime (28425029) and next prime (28425031).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28425031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473721 + ... + 473780.

It is an arithmetic number, because the mean of its divisors is an integer number (4263759).

Almost surely, 2^28425030 is an apocalyptic number.

28425030 is an abundant number, since it is smaller than the sum of its proper divisors (39795114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28425030 is a wasteful number, since it uses less digits than its factorization.

28425030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947511.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 28425030 is about 5331.5129184876. The cubic root of 28425030 is about 305.1876655687.

The spelling of 28425030 in words is "twenty-eight million, four hundred twenty-five thousand, thirty".