2542406051 has 4 divisors (see below), whose sum is σ = 2542575000. Its totient is φ = 2542237104.

The previous prime is 2542406047. The next prime is 2542406057. The reversal of 2542406051 is 1506042452.

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 2542406051 - 2² = 2542406047 is a prime.

It is a super-2 number, since 2×2542406051² = 12927657056322829202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542406057) 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, 59426 + ... + 92823.

It is an arithmetic number, because the mean of its divisors is an integer number (635643750).

Almost surely, 2^2542406051 is an apocalyptic number.

2542406051 is a deficient number, since it is larger than the sum of its proper divisors (168949).

2542406051 is a wasteful number, since it uses less digits than its factorization.

2542406051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168948.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 2542406051 is about 50422.2773285777. The cubic root of 2542406051 is about 1364.8396723857.

The spelling of 2542406051 in words is "two billion, five hundred forty-two million, four hundred six thousand, fifty-one".