4990025 has 6 divisors (see below), whose sum is σ = 6187662. Its totient is φ = 3992000.

The previous prime is 4990019. The next prime is 4990031. The reversal of 4990025 is 5200994.

It is an interprime number because it is at equal distance from previous prime (4990019) and next prime (4990031).

It can be written as a sum of positive squares in 3 ways, for example, as 163216 + 4826809 = 404^2 + 2197^2 .

It is not a de Polignac number, because 4990025 - 2¹⁸ = 4727881 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4990025.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99776 + ... + 99825.

It is an arithmetic number, because the mean of its divisors is an integer number (1031277).

Almost surely, 2^4990025 is an apocalyptic number.

It is an amenable number.

4990025 is a deficient number, since it is larger than the sum of its proper divisors (1197637).

4990025 is a wasteful number, since it uses less digits than its factorization.

4990025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199611 (or 199606 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 4990025 is about 2233.8363861304. The cubic root of 4990025 is about 170.8838055639.

It can be divided in two parts, 4 and 990025, that multiplied together give a square (3960100 = 1990²).

The spelling of 4990025 in words is "four million, nine hundred ninety thousand, twenty-five".