5401331251 has 2 divisors, whose sum is σ = 5401331252. Its totient is φ = 5401331250.

The previous prime is 5401331237. The next prime is 5401331263. The reversal of 5401331251 is 1521331045.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5401331251 - 2²⁵ = 5367776819 is a prime.

It is not a weakly prime, because it can be changed into another prime (5401331231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2700665625 + 2700665626.

It is an arithmetic number, because the mean of its divisors is an integer number (2700665626).

Almost surely, 2^5401331251 is an apocalyptic number.

5401331251 is a deficient number, since it is larger than the sum of its proper divisors (1).

5401331251 is an equidigital number, since it uses as much as digits as its factorization.

5401331251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 5401331251 is about 73493.7497410494. The cubic root of 5401331251 is about 1754.5548015093.

Adding to 5401331251 its reverse (1521331045), we get a palindrome (6922662296).

It can be divided in two parts, 54013 and 31251, that added together give a square (85264 = 292²).

The spelling of 5401331251 in words is "five billion, four hundred one million, three hundred thirty-one thousand, two hundred fifty-one".