2542427501 has 2 divisors, whose sum is σ = 2542427502. Its totient is φ = 2542427500.

The previous prime is 2542427473. The next prime is 2542427527. The reversal of 2542427501 is 1057242452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1468882276 + 1073545225 = 38326^2 + 32765^2 .

It is a cyclic number.

It is not a de Polignac number, because 2542427501 - 2¹⁰ = 2542426477 is a prime.

It is a super-2 number, since 2×2542427501² = 12927875195682210002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2542427551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271213750 + 1271213751.

It is an arithmetic number, because the mean of its divisors is an integer number (1271213751).

Almost surely, 2^2542427501 is an apocalyptic number.

It is an amenable number.

2542427501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542427501 is an equidigital number, since it uses as much as digits as its factorization.

2542427501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 2542427501 is about 50422.4900317309. The cubic root of 2542427501 is about 1364.8435107089.

Adding to 2542427501 its reverse (1057242452), we get a palindrome (3599669953).

It can be divided in two parts, 25424 and 27501, that added together give a palindrome (52925).

The spelling of 2542427501 in words is "two billion, five hundred forty-two million, four hundred twenty-seven thousand, five hundred one".