2501400530 has 8 divisors (see below), whose sum is σ = 4502520972. Its totient is φ = 1000560208.

The previous prime is 2501400497. The next prime is 2501400547. The reversal of 2501400530 is 350041052.

It can be written as a sum of positive squares in 2 ways, for example, as 2471183521 + 30217009 = 49711^2 + 5497^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2501400530² = 12514009222968561800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125070017 + ... + 125070036.

Almost surely, 2^2501400530 is an apocalyptic number.

2501400530 is a deficient number, since it is larger than the sum of its proper divisors (2001120442).

2501400530 is a wasteful number, since it uses less digits than its factorization.

2501400530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250140060.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2501400530 is about 50014.0033390650. The cubic root of 2501400530 is about 1357.4622025388.

Adding to 2501400530 its reverse (350041052), we get a palindrome (2851441582).

The spelling of 2501400530 in words is "two billion, five hundred one million, four hundred thousand, five hundred thirty".