2430012557 has 6 divisors (see below), whose sum is σ = 2826749358. Its totient is φ = 2082867864.

The previous prime is 2430012553. The next prime is 2430012569. The reversal of 2430012557 is 7552100342.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1516401481 + 913611076 = 38941^2 + 30226^2 .

It is not a de Polignac number, because 2430012557 - 2² = 2430012553 is a prime.

It is a super-3 number, since 3×2430012557³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2430012553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24795998 + ... + 24796095.

It is an arithmetic number, because the mean of its divisors is an integer number (471124893).

Almost surely, 2^2430012557 is an apocalyptic number.

It is an amenable number.

2430012557 is a deficient number, since it is larger than the sum of its proper divisors (396736801).

2430012557 is an equidigital number, since it uses as much as digits as its factorization.

2430012557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49592107 (or 49592100 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2430012557 is about 49295.1575410811. The cubic root of 2430012557 is about 1344.4237397245.

Adding to 2430012557 its reverse (7552100342), we get a palindrome (9982112899).

The spelling of 2430012557 in words is "two billion, four hundred thirty million, twelve thousand, five hundred fifty-seven".