5131402 has 4 divisors (see below), whose sum is σ = 7697106. Its totient is φ = 2565700.

The previous prime is 5131367. The next prime is 5131417. The reversal of 5131402 is 2041315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2041315 = 5 ⋅408263.

It can be written as a sum of positive squares in only one way, i.e., 2725801 + 2405601 = 1651^2 + 1551^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282849 + ... + 1282852.

Almost surely, 2^5131402 is an apocalyptic number.

5131402 is a deficient number, since it is larger than the sum of its proper divisors (2565704).

5131402 is a wasteful number, since it uses less digits than its factorization.

5131402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565703.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 5131402 is about 2265.2598084988. The cubic root of 5131402 is about 172.4826223480.

Adding to 5131402 its reverse (2041315), we get a palindrome (7172717).

The spelling of 5131402 in words is "five million, one hundred thirty-one thousand, four hundred two".