1352631 has 16 divisors (see below), whose sum is σ = 2112768. Its totient is φ = 753600.

The previous prime is 1352627. The next prime is 1352641. The reversal of 1352631 is 1362531.

It is not a de Polignac number, because 1352631 - 2² = 1352627 is a prime.

It is a super-2 number, since 2×1352631² = 3659221244322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1352598 and 1352607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76 + ... + 1646.

It is an arithmetic number, because the mean of its divisors is an integer number (132048).

2^1352631 is an apocalyptic number.

1352631 is a deficient number, since it is larger than the sum of its proper divisors (760137).

1352631 is a wasteful number, since it uses less digits than its factorization.

1352631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622.

The product of its digits is 540, while the sum is 21.

The square root of 1352631 is about 1163.0266548966. The cubic root of 1352631 is about 110.5926960483.

The spelling of 1352631 in words is "one million, three hundred fifty-two thousand, six hundred thirty-one".