2501006146 has 4 divisors (see below), whose sum is σ = 3751509222. Its totient is φ = 1250503072.

The previous prime is 2501006129. The next prime is 2501006147. The reversal of 2501006146 is 6416001052.

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

It can be written as a sum of positive squares in only one way, i.e., 1592887921 + 908118225 = 39911^2 + 30135^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2501006146.

It is not an unprimeable number, because it can be changed into a prime (2501006147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625251535 + ... + 625251538.

Almost surely, 2^2501006146 is an apocalyptic number.

2501006146 is a deficient number, since it is larger than the sum of its proper divisors (1250503076).

2501006146 is a wasteful number, since it uses less digits than its factorization.

2501006146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250503075.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2501006146 is about 50010.0604478739. The cubic root of 2501006146 is about 1357.3908572391.

Adding to 2501006146 its reverse (6416001052), we get a palindrome (8917007198).

The spelling of 2501006146 in words is "two billion, five hundred one million, six thousand, one hundred forty-six".