1522373 has 4 divisors (see below), whose sum is σ = 1537548. Its totient is φ = 1507200.

The previous prime is 1522369. The next prime is 1522387. The reversal of 1522373 is 3732251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3732251 = 827 ⋅4513.

It can be written as a sum of positive squares in 2 ways, for example, as 1170724 + 351649 = 1082^2 + 593^2 .

It is a cyclic number.

It is not a de Polignac number, because 1522373 - 2² = 1522369 is a prime.

It is a super-2 number, since 2×1522373² = 4635239102258, which contains 22 as substring.

It is a d-powerful number, because it can be written as 1 + 5⁸ + 2¹² + 2²⁰ + 3⁹ + 7³ + 3¹⁰ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7436 + ... + 7637.

It is an arithmetic number, because the mean of its divisors is an integer number (384387).

2^1522373 is an apocalyptic number.

It is an amenable number.

1522373 is a deficient number, since it is larger than the sum of its proper divisors (15175).

1522373 is a wasteful number, since it uses less digits than its factorization.

1522373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15174.

The product of its digits is 1260, while the sum is 23.

The square root of 1522373 is about 1233.8448038550. The cubic root of 1522373 is about 115.0377443843.

The spelling of 1522373 in words is "one million, five hundred twenty-two thousand, three hundred seventy-three".