1525425151 has 4 divisors (see below), whose sum is σ = 1525728952. Its totient is φ = 1525121352.

The previous prime is 1525425107. The next prime is 1525425157. The reversal of 1525425151 is 1515245251.

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 1525425151 - 2¹⁷ = 1525294079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1525425157) 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, 144240 + ... + 154453.

It is an arithmetic number, because the mean of its divisors is an integer number (381432238).

Almost surely, 2^1525425151 is an apocalyptic number.

1525425151 is a deficient number, since it is larger than the sum of its proper divisors (303801).

1525425151 is an equidigital number, since it uses as much as digits as its factorization.

1525425151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303800.

The product of its digits is 10000, while the sum is 31.

The square root of 1525425151 is about 39056.6915009451. The cubic root of 1525425151 is about 1151.1457141313.

The spelling of 1525425151 in words is "one billion, five hundred twenty-five million, four hundred twenty-five thousand, one hundred fifty-one".