5125142402 has 4 divisors (see below), whose sum is σ = 7687713606. Its totient is φ = 2562571200.

The previous prime is 5125142377. The next prime is 5125142413. The reversal of 5125142402 is 2042415215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2042415215 = 5 ⋅408483043.

It can be written as a sum of positive squares in only one way, i.e., 5120976721 + 4165681 = 71561^2 + 2041^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1281285599 + ... + 1281285602.

Almost surely, 2^5125142402 is an apocalyptic number.

5125142402 is a deficient number, since it is larger than the sum of its proper divisors (2562571204).

5125142402 is a wasteful number, since it uses less digits than its factorization.

5125142402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562571203.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 5125142402 is about 71590.0998881829. The cubic root of 5125142402 is about 1724.1245885973.

Adding to 5125142402 its reverse (2042415215), we get a palindrome (7167557617).

The spelling of 5125142402 in words is "five billion, one hundred twenty-five million, one hundred forty-two thousand, four hundred two".