44925409 has 2 divisors, whose sum is σ = 44925410. Its totient is φ = 44925408.

The previous prime is 44925403. The next prime is 44925427. The reversal of 44925409 is 90452944.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38937600 + 5987809 = 6240^2 + 2447^2 .

It is a cyclic number.

It is not a de Polignac number, because 44925409 - 2¹³ = 44917217 is a prime.

It is not a weakly prime, because it can be changed into another prime (44925403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22462704 + 22462705.

It is an arithmetic number, because the mean of its divisors is an integer number (22462705).

Almost surely, 2^44925409 is an apocalyptic number.

It is an amenable number.

44925409 is a deficient number, since it is larger than the sum of its proper divisors (1).

44925409 is an equidigital number, since it uses as much as digits as its factorization.

44925409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 44925409 is about 6702.6419418018. The cubic root of 44925409 is about 355.4926941857.

The spelling of 44925409 in words is "forty-four million, nine hundred twenty-five thousand, four hundred nine".