1025429 has 4 divisors (see below), whose sum is σ = 1027500. Its totient is φ = 1023360.

The previous prime is 1025419. The next prime is 1025443. The reversal of 1025429 is 9245201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 348100 + 677329 = 590^2 + 823^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025429 - 2⁴ = 1025413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025419) 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, 197 + ... + 1445.

It is an arithmetic number, because the mean of its divisors is an integer number (256875).

2^1025429 is an apocalyptic number.

It is an amenable number.

1025429 is a deficient number, since it is larger than the sum of its proper divisors (2071).

1025429 is an equidigital number, since it uses as much as digits as its factorization.

1025429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1025429 is about 1012.6346824003. The cubic root of 1025429 is about 100.8405483230.

The spelling of 1025429 in words is "one million, twenty-five thousand, four hundred twenty-nine".