25542752041 has 9 divisors (see below), whose sum is σ = 25919090589. Its totient is φ = 25171807500.

The previous prime is 25542752029. The next prime is 25542752159. The reversal of 25542752041 is 14025724552.

The square root of 25542752041 is 159821.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 25542752041 - 2⁵ = 25542752009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25542752021) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11346166 + ... + 11348416.

Almost surely, 2^25542752041 is an apocalyptic number.

25542752041 is the 159821-st square number.

25542752041 is the 79911-st centered octagonal number.

It is an amenable number.

25542752041 is a deficient number, since it is larger than the sum of its proper divisors (376338548).

25542752041 is an frugal number, since it uses more digits than its factorization.

25542752041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644 (or 2322 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 37.

The spelling of 25542752041 in words is "twenty-five billion, five hundred forty-two million, seven hundred fifty-two thousand, forty-one".