4990151 has 4 divisors (see below), whose sum is σ = 5111904. Its totient is φ = 4868400.

The previous prime is 4990133. The next prime is 4990157. The reversal of 4990151 is 1510994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4990151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4990157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60815 + ... + 60896.

It is an arithmetic number, because the mean of its divisors is an integer number (1277976).

Almost surely, 2^4990151 is an apocalyptic number.

4990151 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4990151 is a deficient number, since it is larger than the sum of its proper divisors (121753).

4990151 is a wasteful number, since it uses less digits than its factorization.

4990151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121752.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 4990151 is about 2233.8645885550. The cubic root of 4990151 is about 170.8852438451.

The spelling of 4990151 in words is "four million, nine hundred ninety thousand, one hundred fifty-one".