1525967 has 2 divisors, whose sum is σ = 1525968. Its totient is φ = 1525966.

The previous prime is 1525963. The next prime is 1525969. The reversal of 1525967 is 7695251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1525967 - 2² = 1525963 is a prime.

Together with 1525969, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1525961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 762983 + 762984.

It is an arithmetic number, because the mean of its divisors is an integer number (762984).

2^1525967 is an apocalyptic number.

1525967 is a deficient number, since it is larger than the sum of its proper divisors (1).

1525967 is an equidigital number, since it uses as much as digits as its factorization.

1525967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 35.

The square root of 1525967 is about 1235.3003683315. The cubic root of 1525967 is about 115.1281998173.

The spelling of 1525967 in words is "one million, five hundred twenty-five thousand, nine hundred sixty-seven".