31425453 has 12 divisors (see below), whose sum is σ = 45440928. Its totient is φ = 20927880.

The previous prime is 31425397. The next prime is 31425461. The reversal of 31425453 is 35452413.

It is not a de Polignac number, because 31425453 - 2¹⁴ = 31409069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31425353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15526 + ... + 17432.

It is an arithmetic number, because the mean of its divisors is an integer number (3786744).

Almost surely, 2^31425453 is an apocalyptic number.

It is an amenable number.

31425453 is a deficient number, since it is larger than the sum of its proper divisors (14015475).

31425453 is a wasteful number, since it uses less digits than its factorization.

31425453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744 (or 3741 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 31425453 is about 5605.8409717009. The cubic root of 31425453 is about 315.5686478226.

Adding to 31425453 its reverse (35452413), we get a palindrome (66877866).

It can be divided in two parts, 31425 and 453, that added together give a triangular number (31878 = T₂₅₂).

The spelling of 31425453 in words is "thirty-one million, four hundred twenty-five thousand, four hundred fifty-three".