25532051 has 4 divisors (see below), whose sum is σ = 25766400. Its totient is φ = 25297704.

The previous prime is 25532033. The next prime is 25532081. The reversal of 25532051 is 15023552.

25532051 = 100² + 101² + ... + 426².

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25532051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25532081) 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, 117011 + ... + 117228.

It is an arithmetic number, because the mean of its divisors is an integer number (6441600).

Almost surely, 2^25532051 is an apocalyptic number.

25532051 is a deficient number, since it is larger than the sum of its proper divisors (234349).

25532051 is a wasteful number, since it uses less digits than its factorization.

25532051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234348.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 25532051 is about 5052.9249944958. The cubic root of 25532051 is about 294.4615323284.

The spelling of 25532051 in words is "twenty-five million, five hundred thirty-two thousand, fifty-one".