2512157 has 4 divisors (see below), whose sum is σ = 2528316. Its totient is φ = 2496000.

The previous prime is 2512127. The next prime is 2512171. The reversal of 2512157 is 7512152.

It is a happy number.

2512157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1473796 + 1038361 = 1214^2 + 1019^2 .

It is a cyclic number.

It is not a de Polignac number, because 2512157 - 2⁶ = 2512093 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 (2512117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7844 + ... + 8157.

It is an arithmetic number, because the mean of its divisors is an integer number (632079).

2^2512157 is an apocalyptic number.

It is an amenable number.

2512157 is a deficient number, since it is larger than the sum of its proper divisors (16159).

2512157 is a wasteful number, since it uses less digits than its factorization.

2512157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16158.

The product of its digits is 700, while the sum is 23.

The square root of 2512157 is about 1584.9785487507. The cubic root of 2512157 is about 135.9405196933.

It can be divided in two parts, 2512 and 157, that multiplied together give a square (394384 = 628²).

The spelling of 2512157 in words is "two million, five hundred twelve thousand, one hundred fifty-seven".