1025152451 has 4 divisors (see below), whose sum is σ = 1052859312. Its totient is φ = 997445592.

The previous prime is 1025152417. The next prime is 1025152489. The reversal of 1025152451 is 1542515201.

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 1025152451 - 2¹⁰ = 1025151427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1025152451.

It is not an unprimeable number, because it can be changed into a prime (1025152351) 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, 13853375 + ... + 13853448.

It is an arithmetic number, because the mean of its divisors is an integer number (263214828).

Almost surely, 2^1025152451 is an apocalyptic number.

1025152451 is a deficient number, since it is larger than the sum of its proper divisors (27706861).

1025152451 is an equidigital number, since it uses as much as digits as its factorization.

1025152451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27706860.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1025152451 is about 32018.0019832594. The cubic root of 1025152451 is about 1008.3148224425.

Adding to 1025152451 its reverse (1542515201), we get a palindrome (2567667652).

The spelling of 1025152451 in words is "one billion, twenty-five million, one hundred fifty-two thousand, four hundred fifty-one".