1501425 has 18 divisors (see below), whose sum is σ = 2689622. Its totient is φ = 800640.

The previous prime is 1501411. The next prime is 1501427. The reversal of 1501425 is 5241051.

1501425 = T₃₃₄ + T₃₃₅ + ... + T₃₅₈.

It can be written as a sum of positive squares in 3 ways, for example, as 3249 + 1498176 = 57^2 + 1224^2 .

It is not a de Polignac number, because 1501425 - 2⁸ = 1501169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1501398 and 1501407.

It is not an unprimeable number, because it can be changed into a prime (1501427) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3112 + ... + 3561.

2^1501425 is an apocalyptic number.

1501425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1501425 is a deficient number, since it is larger than the sum of its proper divisors (1188197).

1501425 is a wasteful number, since it uses less digits than its factorization.

1501425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6689 (or 6681 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1501425 is about 1225.3264871046. The cubic root of 1501425 is about 114.5076620668.

Adding to 1501425 its reverse (5241051), we get a palindrome (6742476).

The spelling of 1501425 in words is "one million, five hundred one thousand, four hundred twenty-five".