2523042451 has 4 divisors (see below), whose sum is σ = 2524349632. Its totient is φ = 2521735272.

The previous prime is 2523042449. The next prime is 2523042481. The reversal of 2523042451 is 1542403252.

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

It is a cyclic number.

It is not a de Polignac number, because 2523042451 - 2¹ = 2523042449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2523042421) 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, 650691 + ... + 654556.

It is an arithmetic number, because the mean of its divisors is an integer number (631087408).

Almost surely, 2^2523042451 is an apocalyptic number.

2523042451 is a deficient number, since it is larger than the sum of its proper divisors (1307181).

2523042451 is a wasteful number, since it uses less digits than its factorization.

2523042451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307180.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2523042451 is about 50229.8959883454. The cubic root of 2523042451 is about 1361.3658515366.

The spelling of 2523042451 in words is "two billion, five hundred twenty-three million, forty-two thousand, four hundred fifty-one".