2451455213 has 4 divisors (see below), whose sum is σ = 2451606528. Its totient is φ = 2451303900.

The previous prime is 2451455203. The next prime is 2451455257. The reversal of 2451455213 is 3125541542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2451455213 - 2⁴ = 2451455197 is a prime.

It is a super-2 number, since 2×2451455213² = 12019265322689750738, which contains 22 as substring.

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 2451455213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2451455203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47981 + ... + 84882.

It is an arithmetic number, because the mean of its divisors is an integer number (612901632).

Almost surely, 2^2451455213 is an apocalyptic number.

It is an amenable number.

2451455213 is a deficient number, since it is larger than the sum of its proper divisors (151315).

2451455213 is a wasteful number, since it uses less digits than its factorization.

2451455213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151314.

The product of its digits is 24000, while the sum is 32.

The square root of 2451455213 is about 49512.1723720541. The cubic root of 2451455213 is about 1348.3666048542.

Adding to 2451455213 its reverse (3125541542), we get a palindrome (5576996755).

The spelling of 2451455213 in words is "two billion, four hundred fifty-one million, four hundred fifty-five thousand, two hundred thirteen".