1401544325 has 6 divisors (see below), whose sum is σ = 1737914994. Its totient is φ = 1121235440.

The previous prime is 1401544289. The next prime is 1401544343. The reversal of 1401544325 is 5234451041.

It can be written as a sum of positive squares in 3 ways, for example, as 1437601 + 1400106724 = 1199^2 + 37418^2 .

It is not a de Polignac number, because 1401544325 - 2²² = 1397350021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28030862 + ... + 28030911.

It is an arithmetic number, because the mean of its divisors is an integer number (289652499).

Almost surely, 2^1401544325 is an apocalyptic number.

It is an amenable number.

1401544325 is a deficient number, since it is larger than the sum of its proper divisors (336370669).

1401544325 is an equidigital number, since it uses as much as digits as its factorization.

1401544325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56061783 (or 56061778 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1401544325 is about 37437.2050906581. The cubic root of 1401544325 is about 1119.1001288552.

Adding to 1401544325 its reverse (5234451041), we get a palindrome (6635995366).

The spelling of 1401544325 in words is "one billion, four hundred one million, five hundred forty-four thousand, three hundred twenty-five".